A264346 - OEIS

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A264346 as a simple table

n	a(n)
1	128
2	17711
3	4900000
4	549201567
5	98684484373
6	15386771913704
7	2616784941180034
8	423590351890979093
9	70720633596543340140
10	11667647323281661702544
11	1939303748261775631813520
12	321550922297722913366223227

[128,17711,4900000,549201567,98684484373, 15386771913704,2616784941180034, 423590351890979093,70720633596543340140, 11667647323281661702544,1939303748261775631813520, 321550922297722913366223227]