A017404 - OEIS

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A017404 as a simple table

n	a(n)
0	1
1	20736
2	279841
3	1336336
4	4100625
5	9834496
6	20151121
7	37015056
8	62742241
9	100000000
10	151807041
11	221533456
12	312900721
13	429981696
14	577200625
15	759333136
16	981506241
17	1249198336
18	1568239201
19	1944810000

[1,20736,279841,1336336,4100625,9834496,20151121, 37015056,62742241,100000000,151807041,221533456, 312900721,429981696,577200625,759333136,981506241, 1249198336,1568239201,1944810000]