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A317135 as a simple table

n a(n)
0 1
1 1
2 4
3 18
4 92
5 504
6 2897
7 17235
8 105233
9 655687
10 4152461
11 26650675
12 172961053
13 1133152365
14 7484233381
15 49780558057
16 333155274455
17 2241793462963
18 15158132783457
19 102938343190333
20 701783155862751
21 4801340686195787
22 32954688422181493
23 226853921031126233
24 1565828056187052419
25 10834714749540715871
26 75142241780769151970
27 522240807596491906516

[1,1,4,18,92,504,2897,17235,105233,655687,4152461,
 26650675,172961053,1133152365,7484233381,
 49780558057,333155274455,2241793462963,
 15158132783457,102938343190333,701783155862751,
 4801340686195787,32954688422181493,
 226853921031126233,1565828056187052419,
 10834714749540715871,75142241780769151970,
 522240807596491906516]

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Last modified July 26 10:50 EDT 2024. Contains 374632 sequences. (Running on oeis4.)