cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A268961 Number of length-(n+7) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.

Table of values

n a(n)
1 23
2 1361
3 24714
4 272738
5 2355975
6 18146537
7 134520386
8 1002621328
9 7680218714
10 60997066270
11 503350821180
12 4313327580676
13 38328122520204
14 352617973045358
15 3353662534979250
16 32927372167566264
17 333319728382967773

List of values

[23, 1361, 24714, 272738, 2355975, 18146537, 134520386, 1002621328, 7680218714, 60997066270, 503350821180, 4313327580676, 38328122520204, 352617973045358, 3353662534979250, 32927372167566264, 333319728382967773]