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A268648 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 5
5 15
6 46
7 149
8 495
9 1682
10 5806
11 20322
12 71919
13 256936
14 925298
15 3355509
16 12242471
17 44906105
18 165503745
19 612575796
20 2276024836
21 8485972958
22 31739314999
23 119054638380
24 447759005393
25 1688108544222
26 6378722610280
27 24153083898505
28 91633201241544
29 348270745289976
30 1325907389447937
31 5055855150302197
32 19307179347881167
33 73832434701139921
34 282712142418209398
35 1083873025643898568
36 4160250292584533013
37 15986022831150313756
38 61491665982535018897

[1,1,1,2,5,15,46,149,495,1682,5806,20322,71919,
 256936,925298,3355509,12242471,44906105,165503745,
 612575796,2276024836,8485972958,31739314999,
 119054638380,447759005393,1688108544222,
 6378722610280,24153083898505,91633201241544,
 348270745289976,1325907389447937,5055855150302197,
 19307179347881167,73832434701139921,
 282712142418209398,1083873025643898568,
 4160250292584533013,15986022831150313756,
 61491665982535018897]

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Last modified April 23 10:13 EDT 2024. Contains 371905 sequences. (Running on oeis4.)