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.

A275146 Number of 6Xn 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,-2) or (0,-1) and new values introduced in order 0..2.

Table of values

n a(n)
1 122
2 7776
3 10000
4 25344
5 41360
6 165568
7 663904
8 2695808
9 10930304
10 44604864
11 182448928
12 745425056
13 3044211024
14 12443779056
15 50916573248
16 208404032016
17 852924441248
18 3490340288512
19 14283233460800
20 58452748415536

List of values

[122, 7776, 10000, 25344, 41360, 165568, 663904, 2695808, 10930304, 44604864, 182448928, 745425056, 3044211024, 12443779056, 50916573248, 208404032016, 852924441248, 3490340288512, 14283233460800, 58452748415536]

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

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