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A150855 as a simple table

n a(n)
0 1
1 2
2 8
3 32
4 141
5 624
6 2867
7 13229
8 62119
9 292731
10 1392647
11 6644788
12 31885950
13 153374635
14 740486213
15 3582007538
16 17372069719
17 84385948890
18 410681164286
19 2001299076845
20 9766585741966
21 47714534077443
22 233373742710965
23 1142496798141894
24 5598342122817010
25 27453993432390512
26 134736627872497064

[1,2,8,32,141,624,2867,13229,62119,292731,1392647,
 6644788,31885950,153374635,740486213,3582007538,
 17372069719,84385948890,410681164286,
 2001299076845,9766585741966,47714534077443,
 233373742710965,1142496798141894,5598342122817010,
 27453993432390512,134736627872497064]

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Last modified May 26 10:17 EDT 2022. Contains 354086 sequences. (Running on oeis4.)