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A150216 as a simple table

n a(n)
0 1
1 2
2 6
3 21
4 82
5 315
6 1270
7 5286
8 22312
9 94860
10 409872
11 1789776
12 7860018
13 34740429
14 154655188
15 691888680
16 3107165282
17 14012949053
18 63443464419
19 288098351357
20 1311858162243
21 5990296752848
22 27420393186253
23 125777294226442
24 578105201541479
25 2662283577333729
26 12281269412823336
27 56742405316089524

[1,2,6,21,82,315,1270,5286,22312,94860,409872,
 1789776,7860018,34740429,154655188,691888680,
 3107165282,14012949053,63443464419,288098351357,
 1311858162243,5990296752848,27420393186253,
 125777294226442,578105201541479,2662283577333729,
 12281269412823336,56742405316089524]

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Last modified May 1 13:18 EDT 2024. Contains 372172 sequences. (Running on oeis4.)