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.

A222910 Number of 5Xn 0..3 arrays with no more than floor(5Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Table of values

n a(n)
1 51
2 411
3 4909
4 180203
5 2117424
6 115414184
7 1616042692
8 101812249660
9 1647125896526
10 116484133514908
11 2045481314796291
12 151436398227691009
13 2739472417059940802
14 205949331213920597815

List of values

[51, 411, 4909, 180203, 2117424, 115414184, 1616042692, 101812249660, 1647125896526, 116484133514908, 2045481314796291, 151436398227691009, 2739472417059940802, 205949331213920597815]

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

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