A238992 - OEIS

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A238992 as a simple table

n	a(n)
1	15
2	203
3	2365
4	25601
5	270671
6	2827709
7	29422487
8	305525459
9	3170576253
10	32890537051
11	341164909807
12	3538555502557
13	36701472408455
14	380656870553721
15	3948062617070389
16	40947979951532603
17	424699049401817205

[15,203,2365,25601,270671,2827709,29422487, 305525459,3170576253,32890537051,341164909807, 3538555502557,36701472408455,380656870553721, 3948062617070389,40947979951532603, 424699049401817205]

[15,203,2365,25601,270671,2827709,29422487,
 305525459,3170576253,32890537051,341164909807,
 3538555502557,36701472408455,380656870553721,
 3948062617070389,40947979951532603,
 424699049401817205]