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A021048 as a simple table

n a(n)
0 1
1 15
2 160
3 1530
4 14071
5 127605
6 1151470
7 10372560
8 93381541
9 840520395
10 7564945180
11 68085295590
12 612770035411
13 5514937460385
14 49634458601290
15 446710191850620
16 4020391920103681
17 36183527861539575
18 325651752496199800 

[1,15,160,1530,14071,127605,1151470,10372560,
 93381541,840520395,7564945180,68085295590,
 612770035411,5514937460385,49634458601290,
 446710191850620,4020391920103681,
 36183527861539575,325651752496199800]

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Last modified May 16 16:26 EDT 2024. Contains 372554 sequences. (Running on oeis4.)