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A283654 as a simple table

na(n)
10
20
32
40
56
6102
70
814
9906
1022874
110
1230
136510
14417810
1517633670
160
1762
1842666
196644714
20622433730
2146959933962
220
23126
24267582
2599044946
2620218802310
273204360965106
28451575174961302
290
30254
311641786
321430529674
33630917888610
34208308918928634
3560134626974122946
3616271255119687320314

[0,0,2,0,6,102,0,14,906,22874,0,30,6510,417810,
 17633670,0,62,42666,6644714,622433730,46959933962,
 0,126,267582,99044946,20218802310,3204360965106,
 451575174961302,0,254,1641786,1430529674,
 630917888610,208308918928634,60134626974122946,
 16271255119687320314]