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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.

A339832 Number of bicolored graphs on n unlabeled nodes such that black nodes are not adjacent to each other.

Table of values

n a(n)
0 1
1 2
2 5
3 14
4 50
5 230
6 1543
7 16252
8 294007
9 9598984
10 577914329
11 64384617634
12 13264949930889
13 5055918209734322
14 3572106887472105263
15 4692016570446185240464
16 11496632576435936553085113
17 52730955262459923752850296554
18 454273406825238417871411598421653

List of values

[1, 2, 5, 14, 50, 230, 1543, 16252, 294007, 9598984, 577914329, 64384617634, 13264949930889, 5055918209734322, 3572106887472105263, 4692016570446185240464, 11496632576435936553085113, 52730955262459923752850296554, 454273406825238417871411598421653]

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

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