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A221966 as a simple table

n a(n)
1 15
2 225
3 1695
4 17025
5 159615
6 1535745
7 14661375
8 140355585
9 1342437375
10 12843782145
11 122870296575
12 1175482548225
13 11245539966975
14 107583628673025
15 1029227717656575
16 9846388295204865
17 94198150438322175
18 901172262043910145

[15,225,1695,17025,159615,1535745,14661375,
 140355585,1342437375,12843782145,122870296575,
 1175482548225,11245539966975,107583628673025,
 1029227717656575,9846388295204865,
 94198150438322175,901172262043910145]

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Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)