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A256124 as a simple table

n a(n)
0 1
1 1
2 3
3 12
4 65
5 443
6 3626
7 34811
8 384479
9 4806098
10 67109281
11 1035627571
12 17505788792
13 321689532755
14 6385033369589
15 136124555962844
16 3102031758758001
17 75238874818446123
18 1935053096953675800
19 52595740530868430967
20 1506344153813275882667

[1,1,3,12,65,443,3626,34811,384479,4806098,
 67109281,1035627571,17505788792,321689532755,
 6385033369589,136124555962844,3102031758758001,
 75238874818446123,1935053096953675800,
 52595740530868430967,1506344153813275882667]

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Last modified June 25 04:15 EDT 2021. Contains 345452 sequences. (Running on oeis4.)