A296397 - OEIS

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A296397 as a simple table

n	a(n)
0	1
1	1
2	2
3	3
4	7
5	23
6	173
7	4231
8	772535
9	3430031573
10	2767984611331999
11	9880508763685677890784167
12	28372546978138838124644984908123272195533
13	290052121708444744262218759616469916140851065875997330620050069911

[1,1,2,3,7,23,173,4231,772535,3430031573, 2767984611331999,9880508763685677890784167, 28372546978138838124644984908123272195533, 29005212170844474426221875961646991614085106587599\ 7330620050069911]