A300258 - OEIS

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A300258 as a simple table

n	a(n)
1	64
2	7181
3	243312
4	9424684
5	385299869
6	15475106013
7	620657860617
8	24999315059414
9	1006615871837972
10	40521173928016298
11	1631581961066452908
12	65698440053897709511
13	2645417739842159703117
14	106522009490929860170171

[64,7181,243312,9424684,385299869,15475106013, 620657860617,24999315059414,1006615871837972, 40521173928016298,1631581961066452908, 65698440053897709511,2645417739842159703117, 106522009490929860170171]