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.

A207098 Number of 0..6 arrays x(0..n-1) of n elements with each no smaller than the sum of its two previous neighbors modulo 7.

Table of values

n a(n)
1 7
2 28
3 112
4 462
5 1904
6 7868
7 32531
8 134517
9 556259
10 2300219
11 9511719
12 39332200
13 162643507
14 672550879
15 2781080236
16 11500107101
17 47554350602
18 196643061212
19 813143132135
20 3362446402726
21 13904127534002
22 57495269615906

List of values

[7, 28, 112, 462, 1904, 7868, 32531, 134517, 556259, 2300219, 9511719, 39332200, 162643507, 672550879, 2781080236, 11500107101, 47554350602, 196643061212, 813143132135, 3362446402726, 13904127534002, 57495269615906]

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

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