114514.
是多项式
在 取 时的值.
居然这么多赞...看起来找规律填数这一类蛮不讲理的题目已经人神共愤了啊(逃
3,13,1113,3113,2321,221311,223113,222321,问下一个数?
答:421311
附加:继续:14123113,41141223,24312213,32142321,23322114,32232114,(23322114,32232114循环)
注:3113,汇总3,有2个3,故下一个数为2321。
3,13,1113,3113,2321,221311,223113,222321,421311,14123113,41141223,24312213,32142321,23322114,32232114,(23322114,32232114循环)
参考 Lloyd Bannings 的回答:
Lloyd Bannings 答 3,13,1113,3113,2321,221311,223113,222321,下一个数是什么?
中 给出 http://oeis.org/A112513/list
给出了这个数列的纵向列表形式,利于查看。
也可以访问:或 http://oeis.org/A112513
或 3,13,1113,3113,2321,221311,223113,222321
另例:
1,11,21,1211,3112,132112,311322,232122,421311,14123113,41141223,24312213,32142321,23322114,32232114,(23322114,32232114循环)
2,12,1112,3112,132112,311322,232122,421311,14123113,41141223,24312213,32142321,23322114,32232114,(23322114,32232114循环)
4,14,1114,3114,132114,31131214,23411214,22132431,32212314,23322114,32232114,(23322114,32232114循环)
5,15,1115,3115,132115,31131215,23411215,2213143115,2241231415,3224311315,3322143115,3322311415,(3322311415循环)
6,16,1116,3116,132116,31131216,23411216,2213143116,2241231416,3224311316,3322143116,3322311416, (3322311416循环)
...
以上写于2021-12-10
补充:
http:// oeis.org/search? q=&language=english&go=Search
以上各数列在oeis在线数列网站均可找到:
1,11,21,1211,3112,132112,311322,232122,421311,14123113
2,12,1112,3112,132112,311322,232122,421311,14123113,41141223,24312213,32142321,23322114,32232114
4,14,1114,3114,132114,31131214,23411214,22132431,32212314,23322114,32232114
5,15,1115,3115,132115,31131215,23411215,2213143115,2241231415,3224311315,3322143115,3322311415
12月17日补充:
有一种序列相似于本题所问的序列,而又不同于本题所问的序列,这种序列被称为“外观序列”或“外观数列” (Look-and-Say Sequence,外观描述数列),如下:
1,11,21,1211,111221,312211,13112221,1113213211,31131211131221,13211311123113112211,...
参见:
外观数列是康威的数学小发明,详见:
数学大“玩”家—— 纪念 约翰·霍顿·康威 以及康威的“外观数列” (音频讲稿)
注:英国数学家,约翰·霍顿·康威 (John Horton Conway, 1937.12.26 ——2020.4.11)因新冠肺炎于2020年4月11日,在位于美国新泽西州普林斯顿大学附近的家中去世,享年82岁。
类似有
3,13,1113,3113,132113,1113122113,311311222113,13211321322113,1113122113121113222113,31131122211311123113322113,...
2,12,1112,3112,132112,1113122112,311311222112,...
...
22,22,(22循环)
...
4,14,1114,3114,132114,1113122114,311311222114,13211321322114,1113122113121113222114,311322211311123113322114,1321133221134112132123222114,...