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A068020 as a simple table

n a(n)
1 1
2 15
3 40
4 155
5 156
6 672
7 400
8 1395
9 1210
10 2520
11 1464
12 7280
13 2380
14 6336
15 6600
16 11811
17 5220
18 21030
19 7240
20 26880
21 16672
22 22752
23 12720
24 66960
25 20306
26 36792
27 33880
28 67040
29 25260
30 119592
31 30784
32 97155
33 60144
34 80136
35 64080
36 230966
37 52060
38 110880
39 97384

[1,15,40,155,156,672,400,1395,1210,2520,1464,7280,
 2380,6336,6600,11811,5220,21030,7240,26880,16672,
 22752,12720,66960,20306,36792,33880,67040,25260,
 119592,30784,97155,60144,80136,64080,230966,52060,
 110880,97384]

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Last modified April 19 08:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)