A239185 - OEIS

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A239185 as a simple table

n	a(n)
1	1968
2	1321986
3	381984614
4	119751372066
5	44086966064930
6	16126266923705212
7	5817146886160257060
8	2095254565928697307720
9	755629982088203538445028
10	272567770522954354280836610

[1968,1321986,381984614,119751372066, 44086966064930,16126266923705212, 5817146886160257060,2095254565928697307720, 755629982088203538445028, 272567770522954354280836610]