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A286983 as a simple table

na(n)
11
22
34
49
520
648
7117
8294
9748
101925
114984
1212960
1333785
1488218
15230580
16603057
171577836
184129232
1910807885
2028291230
2174060636
22193882317
23507572784
241328814144
253478834225
269107631218
2723843966692
2862424118809
29163428146948
30427859929200
311120151005029
322932592057430

[1,2,4,9,20,48,117,294,748,1925,4984,12960,33785,
 88218,230580,603057,1577836,4129232,10807885,
 28291230,74060636,193882317,507572784,1328814144,
 3478834225,9107631218,23843966692,62424118809,
 163428146948,427859929200,1120151005029,
 2932592057430]