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A340729 as a simple table

n a(n)
0 1
1 3
2 8
3 18
4 60
5 150
6 210
7 420
8 390
9 840
10 7770
11 5460
12 9282
13 2310
14 3570
15 2730
16 10710
17 39270
18 117810
19 60060
20 154770
21 43890
22 53130
23 46410
24 66990
25 62790
26 176358
27 106260
28 30030
29 642180
30 1111110
31 1919190
32 930930
33 1688610
34 1360590
35 1531530
36 1291290
37 570570
38 1138830
39 510510
40 690690
41 1141140
42 870870

[1,3,8,18,60,150,210,420,390,840,7770,5460,9282,
 2310,3570,2730,10710,39270,117810,60060,154770,
 43890,53130,46410,66990,62790,176358,106260,30030,
 642180,1111110,1919190,930930,1688610,1360590,
 1531530,1291290,570570,1138830,510510,690690,
 1141140,870870]

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Last modified April 11 16:42 EDT 2021. Contains 342888 sequences. (Running on oeis4.)