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A140902 as a simple table

n a(n)
0 1
1 126
2 5292
3 116424
4 1646568
5 16818516
6 133613766
7 868489479
8 4789851066
9 23029990984
10 98561919456
11 381644355456
12 1354627767168
13 4454641311264
14 13691471089032
15 39620253756006
16 108618373687131
17 283595960194470
18 708397594804900
19 1699573176873000

[1,126,5292,116424,1646568,16818516,133613766,
 868489479,4789851066,23029990984,98561919456,
 381644355456,1354627767168,4454641311264,
 13691471089032,39620253756006,108618373687131,
 283595960194470,708397594804900,1699573176873000]

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Last modified July 14 02:38 EDT 2024. Contains 374291 sequences. (Running on oeis4.)