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.

A262270 Number of (n+2)X(4+2) 0..1 arrays with each row and column divisible by 5, read as a binary number with top and left being the most significant bits.

Table of values

n a(n)
1 13
2 169
3 585
4 3253
5 37061
6 467065
7 4403641
8 49793329
9 628659565
10 8114855785
11 100698388425
12 1284102518917
13 16612868083733
14 215733029771449
15 2784755393197465
16 36096259647083761
17 468882349083176077

List of values

[13, 169, 585, 3253, 37061, 467065, 4403641, 49793329, 628659565, 8114855785, 100698388425, 1284102518917, 16612868083733, 215733029771449, 2784755393197465, 36096259647083761, 468882349083176077]

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

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