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A115189 as a simple table

n a(n)
0 1
1 40
2 466
3 4870
4 50053
5 516256
6 5371210
7 56422444
8 598180570
9 6395471992
10 68897550064
11 747270112390
12 8154207352045
13 89462667739360
14 986322436120690
15 10922076949690180
16 121428345789834430
17 1354895520307913680

[1,40,466,4870,50053,516256,5371210,56422444,
 598180570,6395471992,68897550064,747270112390,
 8154207352045,89462667739360,986322436120690,
 10922076949690180,121428345789834430,
 1354895520307913680]

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Last modified July 23 12:19 EDT 2021. Contains 346259 sequences. (Running on oeis4.)