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A209051 as a simple table

n a(n)
1 1
2 2
3 5
4 12
5 33
6 99
7 319
8 980
9 2966
10 8776
11 26196
12 77510
13 234031
14 708205
15 2132677
16 6421621
17 19225005
18 57566221
19 172152197
20 515505478
21 1541863101
22 4618183861
23 13838387169
24 41464367959
25 124065165161
26 371090483661
27 1110570396650

[1,2,5,12,33,99,319,980,2966,8776,26196,77510,
 234031,708205,2132677,6421621,19225005,57566221,
 172152197,515505478,1541863101,4618183861,
 13838387169,41464367959,124065165161,371090483661,
 1110570396650]

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Last modified August 19 22:59 EDT 2022. Contains 356231 sequences. (Running on oeis4.)