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.

A279710 Number of 3 X n 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 4
2 5
3 11
4 22
5 47
6 102
7 224
8 494
9 1089
10 2400
11 5289
12 11661
13 25718
14 56728
15 125125
16 275973
17 608663
18 1342423
19 2960792
20 6530255
21 14402991
22 31766847
23 70063951
24 154530760
25 340828154
26 751720173
27 1657971361
28 3656771426
29 8065263401
30 17788497730

List of values

[4, 5, 11, 22, 47, 102, 224, 494, 1089, 2400, 5289, 11661, 25718, 56728, 125125, 275973, 608663, 1342423, 2960792, 6530255, 14402991, 31766847, 70063951, 154530760, 340828154, 751720173, 1657971361, 3656771426, 8065263401, 17788497730]

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

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