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A081278 as a simple table

n a(n)
0 1
1 6
2 29
3 126
4 513
5 1998
6 7533
7 27702
8 99873
9 354294
10 1240029
11 4290894
12 14703201
13 49955454
14 168466797
15 564390342
16 1879706817
17 6227425638
18 20533285917
19 67411165086
20 220442258241
21 718277586606
22 2332658764269
23 7552375012566

[1,6,29,126,513,1998,7533,27702,99873,354294,
 1240029,4290894,14703201,49955454,168466797,
 564390342,1879706817,6227425638,20533285917,
 67411165086,220442258241,718277586606,
 2332658764269,7552375012566]

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Last modified May 13 11:34 EDT 2024. Contains 372504 sequences. (Running on oeis4.)