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.

A188701 Number of n X 4 binary arrays without the pattern 0 0 diagonally or vertically.

Table of values

n a(n)
1 16
2 55
3 387
4 1876
5 10857
6 57665
7 318732
8 1729531
9 9464035
10 51591068
11 281717653
12 1537169293
13 8390298820
14 45789639603
15 249911548135
16 1363931051824
17 7443964229917
18 40626890315469
19 221729775973184
20 1210135365944631

List of values

[16, 55, 387, 1876, 10857, 57665, 318732, 1729531, 9464035, 51591068, 281717653, 1537169293, 8390298820, 45789639603, 249911548135, 1363931051824, 7443964229917, 40626890315469, 221729775973184, 1210135365944631]

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

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