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A151017 as a simple table

n a(n)
0 1
1 2
2 9
3 39
4 186
5 882
6 4307
7 21010
8 103692
9 511773
10 2539439
11 12603464
12 62722473
13 312217229
14 1556418854
15 7760380972
16 38725714681
17 193279301481
18 965122674081
19 4819846440327
20 24077535920525
21 120290453853929
22 601077094933615
23 3003718138328801
24 15012022337535169
25 75031110935319189
26 375039355141811408

[1,2,9,39,186,882,4307,21010,103692,511773,
 2539439,12603464,62722473,312217229,1556418854,
 7760380972,38725714681,193279301481,965122674081,
 4819846440327,24077535920525,120290453853929,
 601077094933615,3003718138328801,
 15012022337535169,75031110935319189,
 375039355141811408]

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Last modified July 21 09:16 EDT 2024. Contains 374472 sequences. (Running on oeis4.)