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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.

A058803 Vertically indecomposable lattices on n labeled nodes.

Table of values

n a(n)
0 1
1 1
2 2
3 0
4 12
5 140
6 2910
7 83202
8 3170216
9 154933704
10 9441522810
11 701275774430
12 62304994315212
13 6517432341289740
14 791949368757587222
15 110496962589020946330
16 17525486812000086847440

List of values

[1, 1, 2, 0, 12, 140, 2910, 83202, 3170216, 154933704, 9441522810, 701275774430, 62304994315212, 6517432341289740, 791949368757587222, 110496962589020946330, 17525486812000086847440]

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

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