A265229 - OEIS

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A265229 as a simple table

n	a(n)
1	1
2	2
3	7
4	43
5	372
6	4027
7	51871
8	773186
9	13083385
10	247698481
11	5186925696
12	119023766737
13	2969884019977
14	80056947698498
15	2318432654628847
16	71785166633148187
17	2366425763631216756
18	82748313392542136011

[1,2,7,43,372,4027,51871,773186,13083385, 247698481,5186925696,119023766737,2969884019977, 80056947698498,2318432654628847,71785166633148187, 2366425763631216756,82748313392542136011]