A210137 - OEIS

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A210137 as a simple table

n	a(n)
1	10
2	221
3	4349
4	78063
5	1321270
6	21511540
7	341220491
8	5317431003
9	81861887256
10	1249700319322
11	18966681171701
12	286687896928349
13	4321107835703010
14	65001162786442684
15	976443703757880607
16	14653948717478775383

[10,221,4349,78063,1321270,21511540,341220491, 5317431003,81861887256,1249700319322, 18966681171701,286687896928349,4321107835703010, 65001162786442684,976443703757880607, 14653948717478775383]