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.

A184680 Number of (n+1) X 4 binary arrays with every 2 X 2 subblock singular.

Table of values

n a(n)
1 76
2 544
3 3360
4 21968
5 140816
6 909520
7 5858896
8 37779664
9 243525712
10 1569965008
11 10120785744
12 65244856016
13 420606054992
14 2711476238800
15 17479769838928
16 112684908266704
17 726433311008848
18 4683017326649296
19 30189489673849680

List of values

[76, 544, 3360, 21968, 140816, 909520, 5858896, 37779664, 243525712, 1569965008, 10120785744, 65244856016, 420606054992, 2711476238800, 17479769838928, 112684908266704, 726433311008848, 4683017326649296, 30189489673849680]

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

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