A206858 - OEIS

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A206858 as a simple table

n	a(n)
1	25
2	625
3	11092
4	192575
5	3425501
6	61164640
7	1090023439
8	19411973287
9	345764258689
10	6159551322461
11	109726321617078
12	1954613166621694
13	34818594738203574
14	620246036769753113
15	11048844392776786913

[25,625,11092,192575,3425501,61164640,1090023439, 19411973287,345764258689,6159551322461, 109726321617078,1954613166621694, 34818594738203574,620246036769753113, 11048844392776786913]