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A252508 as a simple table

n a(n)
1 1515
2 1644
3 3980
4 9277
5 25197
6 76113
7 231372
8 698936
9 2121821
10 6483996
11 19881260
12 61024374
13 187473423
14 576442523
15 1773336035
16 5457204006
17 16797726720
18 51712080105
19 159214729408
20 490238324306
21 1509560349792
22 4648472850677

[1515,1644,3980,9277,25197,76113,231372,698936,
 2121821,6483996,19881260,61024374,187473423,
 576442523,1773336035,5457204006,16797726720,
 51712080105,159214729408,490238324306,
 1509560349792,4648472850677]

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Last modified January 26 17:00 EST 2022. Contains 350599 sequences. (Running on oeis4.)