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.

A200666 Number of 0..6 arrays x(0..n-1) of n elements with each no smaller than the sum of its three previous neighbors modulo 7.

Table of values

n a(n)
1 7
2 28
3 112
4 448
5 1813
6 7322
7 29536
8 119066
9 479993
10 1935168
11 7802161
12 31456852
13 126827111
14 511338342
15 2061602939
16 8311924900
17 33511832745
18 135112262286
19 544742594039
20 2196280995578
21 8854916583356
22 35701054472646
23 143938712300001

List of values

[7, 28, 112, 448, 1813, 7322, 29536, 119066, 479993, 1935168, 7802161, 31456852, 126827111, 511338342, 2061602939, 8311924900, 33511832745, 135112262286, 544742594039, 2196280995578, 8854916583356, 35701054472646, 143938712300001]

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

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