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A100192 as a simple table

n a(n)
0 1
1 4
2 18
3 82
4 374
5 1704
6 7752
7 35214
8 159750
9 723880
10 3276908
11 14821668
12 66991436
13 302605528
14 1366182276
15 6165204102
16 27811282374
17 125415953208
18 565408947756
19 2548400193852
20 11483706241044
21 51739037228688
22 233070330199296

[1,4,18,82,374,1704,7752,35214,159750,723880,
 3276908,14821668,66991436,302605528,1366182276,
 6165204102,27811282374,125415953208,565408947756,
 2548400193852,11483706241044,51739037228688,
 233070330199296]

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Last modified September 13 15:28 EDT 2024. Contains 375908 sequences. (Running on oeis4.)