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A150118 as a simple table

n a(n)
0 1
1 2
2 6
3 19
4 71
5 275
6 1114
7 4651
8 19925
9 86643
10 382655
11 1712982
12 7743651
13 35289178
14 162101956
15 749571206
16 3484376167
17 16277276570
18 76387977097
19 359852913731
20 1700945034026
21 8065817666940
22 38357500715924
23 182868252256455
24 873854209821109
25 4184888850204701
26 20080433565203323
27 96523687360941940

[1,2,6,19,71,275,1114,4651,19925,86643,382655,
 1712982,7743651,35289178,162101956,749571206,
 3484376167,16277276570,76387977097,359852913731,
 1700945034026,8065817666940,38357500715924,
 182868252256455,873854209821109,4184888850204701,
 20080433565203323,96523687360941940]

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Last modified November 21 16:04 EST 2019. Contains 329371 sequences. (Running on oeis4.)