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A136281 as a simple table

n a(n)
1 1
2 2
3 8
4 41
5 253
6 1858
7 15796
8 152219
9 1638323
10 19467494
11 252998224
12 3568259503
13 54263159347
14 884834059454
15 15397757661092
16 284767413357977
17 5576696746139689
18 115269732256964626
19 2507575465491619672
20 57262481225957071721
21 1369461739453440893261

[1,2,8,41,253,1858,15796,152219,1638323,19467494,
 252998224,3568259503,54263159347,884834059454,
 15397757661092,284767413357977,5576696746139689,
 115269732256964626,2507575465491619672,
 57262481225957071721,1369461739453440893261]

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Last modified November 16 09:21 EST 2018. Contains 317268 sequences. (Running on oeis4.)