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A224541 as a simple table

na(n)
690
7630
82940
911508
1040950
11137610
12445896
131410552
144390386
1513514046
1641278068
17125405532
18379557198
191145747538
203452182656
2110388002848
2231230066186
2393828607686
24281775226860
25845929656900
262539047258150
277619759016090
2822864712861880
2968605412870088

[90,630,2940,11508,40950,137610,445896,1410552,
 4390386,13514046,41278068,125405532,379557198,
 1145747538,3452182656,10388002848,31230066186,
 93828607686,281775226860,845929656900,
 2539047258150,7619759016090,22864712861880,
 68605412870088]