A268802 - OEIS

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A268802 as a simple table

n	a(n)
1	3
2	34
3	332
4	5848
5	195384
6	12432856
7	1508087180
8	348686105792
9	154172619407288
10	130573457756588328
11	212323461305457440492
12	663970589813116610557692
13	3999438097971983178736358520
14	46462227980008803491191644654968

[3,34,332,5848,195384,12432856,1508087180, 348686105792,154172619407288,130573457756588328, 212323461305457440492,663970589813116610557692, 3999438097971983178736358520, 46462227980008803491191644654968]