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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.

A200467 Number of 0..6 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 7.

Table of values

n a(n)
1 7
2 28
3 112
4 448
5 1792
6 7140
7 28434
8 113193
9 450812
10 1795581
11 7151892
12 28486092
13 113459436
14 451907189
15 1799936702
16 7169108310
17 28554377148
18 113731374269
19 452989138551
20 1804244048124
21 7186257254293
22 28622677050945
23 114003380196965

List of values

[7, 28, 112, 448, 1792, 7140, 28434, 113193, 450812, 1795581, 7151892, 28486092, 113459436, 451907189, 1799936702, 7169108310, 28554377148, 113731374269, 452989138551, 1804244048124, 7186257254293, 28622677050945, 114003380196965]

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

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