A295269 - OEIS

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A295269 as a simple table

n	a(n)
1	2
2	11
3	164
4	6659
5	748740
6	230659662
7	196091375073
8	458510348625561
9	2951683183977839155
10	52303382279027148884728
11	2551191530898428081696382880
12	342537007989863347885673784022387

[2,11,164,6659,748740,230659662,196091375073, 458510348625561,2951683183977839155, 52303382279027148884728, 2551191530898428081696382880, 342537007989863347885673784022387]