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A138440 as a simple table

n a(n)
1 31
2 363
3 7810
4 58821
5 885775
6 2413398
7 12068776
8 23522931
9 74017933
10 297411646
11 443751825
12 1282863186
13 2375052100
14 3160681503
15 5389607641
16 11082180538
17 21090266791
18 25760187150
19 45229191051
20 64050141925
21 75667113108

[31,363,7810,58821,885775,2413398,12068776,
 23522931,74017933,297411646,443751825,1282863186,
 2375052100,3160681503,5389607641,11082180538,
 21090266791,25760187150,45229191051,64050141925,
 75667113108]

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Last modified November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)