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A150987 as a simple table

n a(n)
0 1
1 2
2 9
3 37
4 165
5 740
6 3430
7 15932
8 75138
9 355409
10 1695214
11 8106953
12 38966946
13 187714076
14 907312159
15 4393567130
16 21325956547
17 103672502874
18 504876131674
19 2461835001396
20 12020603786123
21 58756691027417
22 287516436080986
23 1408186730302160
24 6903141579960199
25 33866322231247928
26 166270354399109414

[1,2,9,37,165,740,3430,15932,75138,355409,1695214,
 8106953,38966946,187714076,907312159,4393567130,
 21325956547,103672502874,504876131674,
 2461835001396,12020603786123,58756691027417,
 287516436080986,1408186730302160,6903141579960199,
 33866322231247928,166270354399109414]

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Last modified July 11 12:40 EDT 2024. Contains 374232 sequences. (Running on oeis4.)