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A131568 as a simple table

n a(n)
0 0
1 3
2 45
3 630
4 8925
5 128898
6 1891890
7 28113228
8 421717725
9 6372696330
10 96865261350
11 1479397776948
12 22684103302770
13 348986220258900
14 5384358887026500
15 83278084352019480
16 1290810308357922525
17 20045524792117559130
18 311819274557663622750
19 4857816066846093281700

[0,3,45,630,8925,128898,1891890,28113228,
 421717725,6372696330,96865261350,1479397776948,
 22684103302770,348986220258900,5384358887026500,
 83278084352019480,1290810308357922525,
 20045524792117559130,311819274557663622750,
 4857816066846093281700]

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Last modified April 24 19:06 EDT 2024. Contains 371962 sequences. (Running on oeis4.)