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A330019 as a simple table

n a(n)
0 1
1 1
2 4
3 21
4 150
5 1330
6 14180
7 176295
8 2505230
9 40049226
10 711379872
11 13899553206
12 296270826852
13 6841305568812
14 170127212242416
15 4532854743105975
16 128824523061126750
17 3890041395675793930
18 124375112406132404960
19 4197530354920789582410
20 149118181703716510545260

[1,1,4,21,150,1330,14180,176295,2505230,40049226,
 711379872,13899553206,296270826852,6841305568812,
 170127212242416,4532854743105975,
 128824523061126750,3890041395675793930,
 124375112406132404960,4197530354920789582410,
 149118181703716510545260]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)