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A093646 as a simple table

n a(n)
0 1
1 19
2 145
3 715
4 2695
5 8437
6 23023
7 56485
8 127270
9 267410
10 529958
11 999362
12 1805570
13 3142790
14 5293970
15 8662214
16 13810511
17 21511325
18 32807775
19 49088325
20 72177105
21 104442195
22 148924425
23 209489475
24 291006300
25 399555156
26 542668764
27 729610420

[1,19,145,715,2695,8437,23023,56485,127270,267410,
 529958,999362,1805570,3142790,5293970,8662214,
 13810511,21511325,32807775,49088325,72177105,
 104442195,148924425,209489475,291006300,399555156,
 542668764,729610420]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)