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A151195 as a simple table

n a(n)
0 1
1 3
2 12
3 52
4 237
5 1099
6 5213
7 24940
8 120389
9 584838
10 2853373
11 13976063
12 68652709
13 338034589
14 1667756201
15 8241492662
16 40782808665
17 202049395507
18 1002001335467
19 4973396367842
20 24703642321516
21 122786278471416
22 610640791721211
23 3038355979978879
24 15124580771488710
25 75317942432483327

[1,3,12,52,237,1099,5213,24940,120389,584838,
 2853373,13976063,68652709,338034589,1667756201,
 8241492662,40782808665,202049395507,1002001335467,
 4973396367842,24703642321516,122786278471416,
 610640791721211,3038355979978879,
 15124580771488710,75317942432483327]

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Last modified June 4 12:13 EDT 2024. Contains 373096 sequences. (Running on oeis4.)