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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.

A006361 Antichains (or order ideals) in the poset 2*2*4*n or size of the distributive lattice J(2*2*4*n).

Table of values

n a(n)
0 1
1 105
2 3490
3 59542
4 650644
5 5157098
6 32046856
7 164489084
8 723509159
9 2801747767
10 9748942554
11 30967306114
12 90930233726
13 249319296218
14 643622467414
15 1575086681342
16 3675063064675
17 8215220917795

List of values

[1, 105, 3490, 59542, 650644, 5157098, 32046856, 164489084, 723509159, 2801747767, 9748942554, 30967306114, 90930233726, 249319296218, 643622467414, 1575086681342, 3675063064675, 8215220917795]

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

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