A064346 - OEIS

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A064346 as a simple table

n	a(n)
0	1
1	1
2	16
3	1216
4	157696
5	25317376
6	4543676416
7	873117515776
8	175715349692416
9	36562356662173696
10	7802094251017240576
11	1698089607837490610176
12	375493988522687218057216
13	84121868091432283370684416

[1,1,16,1216,157696,25317376,4543676416, 873117515776,175715349692416,36562356662173696, 7802094251017240576,1698089607837490610176, 375493988522687218057216, 84121868091432283370684416]