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.

A301955 Number of 6Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 0
2 89
3 1411
4 56710
5 1608681
6 58609226
7 1969215107
8 67333850084
9 2287773842566
10 77959998302605
11 2653916633152707
12 90371628086108933
13 3077076307444521060
14 104774663297551634379
15 3567555401986729558326
16 121474804497455764013977

List of values

[0, 89, 1411, 56710, 1608681, 58609226, 1969215107, 67333850084, 2287773842566, 77959998302605, 2653916633152707, 90371628086108933, 3077076307444521060, 104774663297551634379, 3567555401986729558326, 121474804497455764013977]

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

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