A017140 - OEIS

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A017140 as a simple table

n	a(n)
0	1296
1	38416
2	234256
3	810000
4	2085136
5	4477456
6	8503056
7	14776336
8	24010000
9	37015056
10	54700816
11	78074896
12	108243216
13	146410000
14	193877776
15	252047376
16	322417936
17	406586896
18	506250000
19	623201296

[1296,38416,234256,810000,2085136,4477456,8503056, 14776336,24010000,37015056,54700816,78074896, 108243216,146410000,193877776,252047376,322417936, 406586896,506250000,623201296]