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A371539 as a simple table

n a(n)
0 1
1 4
2 26
3 224
4 2171
5 22600
6 246754
7 2787856
8 32318849
9 382266056
10 4594893684
11 55966343520
12 689245218880
13 8568130064280
14 107371481352870
15 1354944741505580
16 17203182641794020
17 219604431213873060
18 2816826935574781930
19 36286757255072528360
20 469266638574298431490

[1,4,26,224,2171,22600,246754,2787856,32318849,
 382266056,4594893684,55966343520,689245218880,
 8568130064280,107371481352870,1354944741505580,
 17203182641794020,219604431213873060,
 2816826935574781930,36286757255072528360,
 469266638574298431490]

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Last modified May 12 18:22 EDT 2024. Contains 372494 sequences. (Running on oeis4.)