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A330579 as a simple table

n a(n)
1 1
2 4
3 493
4 1565
5 6210
6 26375
7 64019
8 289862
9 870828
10 1244485
11 3313113
12 4300012
13 7946206
14 1447234860
15 4147639664
16 7190149312
17 23828369695
18 39710847388
19 494027033160
20 982853084580
21 1095174951021
22 1141650682059
23 1522735118076
24 1642938906044

[1,4,493,1565,6210,26375,64019,289862,870828,
 1244485,3313113,4300012,7946206,1447234860,
 4147639664,7190149312,23828369695,39710847388,
 494027033160,982853084580,1095174951021,
 1141650682059,1522735118076,1642938906044]

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Last modified December 9 07:21 EST 2021. Contains 349627 sequences. (Running on oeis4.)