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A259845 as a simple table

n a(n)
0 1
1 3
2 4
3 11
4 38
5 136
6 512
7 1993
8 7958
9 32420
10 134216
11 563030
12 2388092
13 10224320
14 44127328
15 191783029
16 838623654
17 3686965308
18 16287624440
19 72262899994
20 321852273332
21 1438540956048
22 6450223722816
23 29006443606746
24 130790584554748
25 591191800834696

[1,3,4,11,38,136,512,1993,7958,32420,134216,
 563030,2388092,10224320,44127328,191783029,
 838623654,3686965308,16287624440,72262899994,
 321852273332,1438540956048,6450223722816,
 29006443606746,130790584554748,591191800834696]

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Last modified April 24 07:44 EDT 2024. Contains 371922 sequences. (Running on oeis4.)