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A251121 as a simple table

n a(n)
1 10
2 40
3 108
4 266
5 580
6 1214
7 2420
8 4702
9 8926
10 16680
11 30766
12 56180
13 101734
14 182956
15 327080
16 581742
17 1030000
18 1816290
19 3191136
20 5588050
21 9755530
22 16983260
23 29489098

[10,40,108,266,580,1214,2420,4702,8926,16680,
 30766,56180,101734,182956,327080,581742,1030000,
 1816290,3191136,5588050,9755530,16983260,29489098]

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Last modified April 14 22:47 EDT 2021. Contains 342971 sequences. (Running on oeis4.)