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A150171 as a simple table

n a(n)
0 1
1 2
2 6
3 20
4 76
5 299
6 1246
7 5291
8 23180
9 102766
10 464418
11 2115781
12 9761718
13 45299638
14 212074088
15 997141485
16 4718451470
17 22402002642
18 106868910086
19 511158778549
20 2453901475690
21 11805274313163
22 56957327738323
23 275279817557115
24 1333530890867209
25 6469275458458120
26 31443031209732966
27 153009244617227957

[1,2,6,20,76,299,1246,5291,23180,102766,464418,
 2115781,9761718,45299638,212074088,997141485,
 4718451470,22402002642,106868910086,511158778549,
 2453901475690,11805274313163,56957327738323,
 275279817557115,1333530890867209,6469275458458120,
 31443031209732966,153009244617227957]

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Last modified June 15 05:55 EDT 2024. Contains 373402 sequences. (Running on oeis4.)