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A080674 as a simple table

na(n)
00
14
220
384
4340
51364
65460
721844
887380
9349524
101398100
115592404
1222369620
1389478484
14357913940
151431655764
165726623060
1722906492244
1891625968980
19366503875924
201466015503700
215864062014804
2223456248059220
2393824992236884
24375299968947540
251501199875790164

[0,4,20,84,340,1364,5460,21844,87380,349524,
 1398100,5592404,22369620,89478484,357913940,
 1431655764,5726623060,22906492244,91625968980,
 366503875924,1466015503700,5864062014804,
 23456248059220,93824992236884,375299968947540,
 1501199875790164]