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A027804 as a simple table

na(n)
470
5756
64410
718480
862370
9180180
10462462
111081080
122342340
134764760
149189180
1516930368
1629980860
1751279480
1885058820
19137287920
20216228474
21333125100
22503052550
23745945200
241087836750
251562340780
262212405650
273092380200
284270429800
295831345520
307879792536

[70,756,4410,18480,62370,180180,462462,1081080,
 2342340,4764760,9189180,16930368,29980860,
 51279480,85058820,137287920,216228474,333125100,
 503052550,745945200,1087836750,1562340780,
 2212405650,3092380200,4270429800,5831345520,
 7879792536]