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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.

A006362 Antichains (or order ideals) in the poset 2*2*5*n or size of the distributive lattice J(2*2*5*n).

Table of values

n a(n)
0 1
1 196
2 11196
3 307960
4 5157098
5 60112692
6 530962446
7 3764727340
8 22326282261
9 114158490576
10 515063238810
11 2087929609236
12 7714649716552
13 26285397502428
14 83379798088110
15 248202756212336
16 697998155989501
17 1864955619299196

List of values

[1, 196, 11196, 307960, 5157098, 60112692, 530962446, 3764727340, 22326282261, 114158490576, 515063238810, 2087929609236, 7714649716552, 26285397502428, 83379798088110, 248202756212336, 697998155989501, 1864955619299196]

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

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