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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.

A189447 Number of n X 7 array permutations with each element moving zero or one space horizontally or diagonally.

Table of values

n a(n)
1 21
2 3136
3 313136
4 33735505
5 3586575040
6 381987110556
7 40668908306516
8 4329976369716644
9 461007230769131204
10 49082883213353553796
11 5225795314666113134276
12 556384119909347581932164

List of values

[21, 3136, 313136, 33735505, 3586575040, 381987110556, 40668908306516, 4329976369716644, 461007230769131204, 49082883213353553796, 5225795314666113134276, 556384119909347581932164]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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