A016094 - OEIS

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A016094 as a simple table

n	a(n)
0	1
1	42
2	1105
3	23310
4	431221
5	7309722
6	116419465
7	1769717670
8	25948716541
9	369730963602
10	5147200519825
11	70298695224030
12	944897655707461
13	12530341519244682
14	164265473257148185
15	2132247784185258390

[1,42,1105,23310,431221,7309722,116419465, 1769717670,25948716541,369730963602,5147200519825, 70298695224030,944897655707461,12530341519244682, 164265473257148185,2132247784185258390]