A126479 - OEIS

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A126479 as a simple table

n	a(n)
0	1
1	11
2	65
3	399
4	2473
5	15381
6	95757
7	596341
8	3714153
9	23133309
10	144085281
11	897434333
12	5589669241
13	34815260805
14	216846906193
15	1350631326317
16	8412409590489
17	52396708044853
18	326352989158113
19	2032690173290461

[1,11,65,399,2473,15381,95757,596341,3714153, 23133309,144085281,897434333,5589669241, 34815260805,216846906193,1350631326317, 8412409590489,52396708044853,326352989158113, 2032690173290461]