A036078 - OEIS

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A036078 as a simple table

n	a(n)
0	1
1	2
2	13
3	127
4	1508
5	20859
6	332557
7	6019108
8	121462267
9	2692076295
10	64846340130
11	1684713690917
12	46916754353013
13	1393010598959594
14	43889040801834505
15	1461369418905803027
16	51243270154712083052

[1,2,13,127,1508,20859,332557,6019108,121462267, 2692076295,64846340130,1684713690917, 46916754353013,1393010598959594,43889040801834505, 1461369418905803027,51243270154712083052]