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A222975 as a simple table

n a(n)
1 1264460
2 2115324
3 2784580
4 7169104
5 18656380
6 28158165
7 81128632
8 174277820
9 498215416
10 1236402232
11 1799281330
12 2387776550
13 2717495235
14 2879697304
15 15837081520
16 17616303220
17 91411869465
18 111375706442
19 661126361272
20 741158497112

[1264460,2115324,2784580,7169104,18656380,
 28158165,81128632,174277820,498215416,1236402232,
 1799281330,2387776550,2717495235,2879697304,
 15837081520,17616303220,91411869465,111375706442,
 661126361272,741158497112]

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Last modified December 1 14:52 EST 2022. Contains 358468 sequences. (Running on oeis4.)