A087330 - OEIS

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A087330 as a simple table

n	a(n)
0	0
1	15
2	370
3	6150
4	86430
5	1114210
6	13641990
7	161419770
8	1864197550
9	21141975330
10	236419753110
11	2614197530890
12	28641975308670
13	311419753086450
14	3364197530864230
15	36141975308642010
16	386419753086419790

[0,15,370,6150,86430,1114210,13641990,161419770, 1864197550,21141975330,236419753110,2614197530890, 28641975308670,311419753086450,3364197530864230, 36141975308642010,386419753086419790]