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A303687 as a simple table

n a(n)
1 0
2 61
3 27
4 343
5 349
6 2809
7 4619
8 29475
9 59695
10 312565
11 749915
12 3414709
13 9159379
14 37886863
15 109856087
16 425475373
17 1300509341
18 4819052399
19 15264319545
20 54916710773
21 178135150965
22 628466577459
23 2071027274837
24 7212819961559

[0,61,27,343,349,2809,4619,29475,59695,312565,
 749915,3414709,9159379,37886863,109856087,
 425475373,1300509341,4819052399,15264319545,
 54916710773,178135150965,628466577459,
 2071027274837,7212819961559]

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Last modified December 7 15:24 EST 2021. Contains 349581 sequences. (Running on oeis4.)