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A150276 as a simple table

n a(n)
0 1
1 2
2 6
3 23
4 88
5 352
6 1471
7 6229
8 26846
9 117199
10 516047
11 2293107
12 10253796
13 46099289
14 208317929
15 945090949
16 4303253468
17 19657172870
18 90040264031
19 413482527121
20 1903072433181
21 8776676137009
22 40552191411904
23 187684377800197
24 869986408121608
25 4038465213131538
26 18771067305712298
27 87355565476467784

[1,2,6,23,88,352,1471,6229,26846,117199,516047,
 2293107,10253796,46099289,208317929,945090949,
 4303253468,19657172870,90040264031,413482527121,
 1903072433181,8776676137009,40552191411904,
 187684377800197,869986408121608,4038465213131538,
 18771067305712298,87355565476467784]

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Last modified October 31 07:45 EDT 2020. Contains 338101 sequences. (Running on oeis4.)