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A145767 as a simple table

n a(n)
1 4
2 228
3 812340
4 4935504
5 13608420
6 14218512
7 25354032
8 29463060
9 48880608
10 135516108
11 194057640
12 223078944
13 412662012
14 763311948
15 764539380
16 1409359200
17 1998370272
18 3408412644
19 5397667572
20 7650577620
21 8224333236
22 9401817516

[4,228,812340,4935504,13608420,14218512,25354032,
 29463060,48880608,135516108,194057640,223078944,
 412662012,763311948,764539380,1409359200,
 1998370272,3408412644,5397667572,7650577620,
 8224333236,9401817516]

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Last modified June 16 02:19 EDT 2024. Contains 373416 sequences. (Running on oeis4.)