A266834 - OEIS

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A266834 as a simple table

n	a(n)
1	2
2	11
3	95
4	1267
5	19605
6	322100
7	5798969
8	109094449
9	2137890119
10	42723425901
11	870452405353
12	17947494617157
13	374336019053969
14	7871123322669134
15	166752702383416172
16	3553681134317844777
17	76147251272709529075

[2,11,95,1267,19605,322100,5798969,109094449, 2137890119,42723425901,870452405353, 17947494617157,374336019053969,7871123322669134, 166752702383416172,3553681134317844777, 76147251272709529075]