A037601 - OEIS

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A037601 as a simple table

n	a(n)
1	1
2	11
3	88
4	705
5	5643
6	45144
7	361153
8	2889227
9	23113816
10	184910529
11	1479284235
12	11834273880
13	94674191041
14	757393528331
15	6059148226648
16	48473185813185
17	387785486505483
18	3102283892043864

[1,11,88,705,5643,45144,361153,2889227,23113816, 184910529,1479284235,11834273880,94674191041, 757393528331,6059148226648,48473185813185, 387785486505483,3102283892043864]