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A150670 as a simple table

n a(n)
0 1
1 2
2 8
3 25
4 104
5 391
6 1666
7 6881
8 29855
9 129545
10 573055
11 2554446
12 11501808
13 52133192
14 238084704
15 1092443168
16 5042516850
17 23364889005
18 108739377523
19 507833697775
20 2379393048538
21 11182563270522
22 52693128537804
23 248926453294921
24 1178623958720194
25 5592254793534124
26 26586558799123717
27 126622271913520750

[1,2,8,25,104,391,1666,6881,29855,129545,573055,
 2554446,11501808,52133192,238084704,1092443168,
 5042516850,23364889005,108739377523,507833697775,
 2379393048538,11182563270522,52693128537804,
 248926453294921,1178623958720194,5592254793534124,
 26586558799123717,126622271913520750]

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Last modified May 19 05:56 EDT 2024. Contains 372666 sequences. (Running on oeis4.)