A156762 - OEIS

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A156762 as a simple table

n	a(n)
0	1
1	42
2	441
3	37044
4	194481
5	8168202
6	85766121
7	14408708328
8	37822859361
9	1588560093162
10	16679880978201
11	1401110002168884
12	7355827511386641
13	308944755478238922
14	3243919932521508681
15	1089957097327226916816

[1,42,441,37044,194481,8168202,85766121, 14408708328,37822859361,1588560093162, 16679880978201,1401110002168884,7355827511386641, 308944755478238922,3243919932521508681, 1089957097327226916816]