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A150143 as a simple table

n a(n)
0 1
1 2
2 6
3 20
4 73
5 282
6 1138
7 4740
8 20238
9 88143
10 390061
11 1749068
12 7929891
13 36288683
14 167390945
15 777445430
16 3632416696
17 17060267774
18 80495119152
19 381346095317
20 1813181750079
21 8649079106026
22 41377306954577
23 198469912424497
24 954244174488097
25 4597930637100167
26 22198334919108379
27 107364372879141877

[1,2,6,20,73,282,1138,4740,20238,88143,390061,
 1749068,7929891,36288683,167390945,777445430,
 3632416696,17060267774,80495119152,381346095317,
 1813181750079,8649079106026,41377306954577,
 198469912424497,954244174488097,4597930637100167,
 22198334919108379,107364372879141877]

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Last modified April 25 13:38 EDT 2024. Contains 371970 sequences. (Running on oeis4.)