A017046 - OEIS

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A017046 as a simple table

n	a(n)
0	15625
1	2985984
2	47045881
3	308915776
4	1291467969
5	4096000000
6	10779215329
7	24794911296
8	51520374361
9	98867482624
10	177978515625
11	304006671424
12	496981290961
13	782757789696
14	1194052296529
15	1771561000000

[15625,2985984,47045881,308915776,1291467969, 4096000000,10779215329,24794911296,51520374361, 98867482624,177978515625,304006671424, 496981290961,782757789696,1194052296529, 1771561000000]