A264347 - OEIS

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A264347 as a simple table

n	a(n)
1	256
2	75025
3	49000000
4	10878455069
5	4241136597604
6	1400983500645217
7	513959727627375369
8	177045004728184406986
9	63460182455433271780660
10	22401940593595999915880850
11	7987037973987954760973196580

[256,75025,49000000,10878455069,4241136597604, 1400983500645217,513959727627375369, 177045004728184406986,63460182455433271780660, 22401940593595999915880850, 7987037973987954760973196580]