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A187178 as a simple table

na(n)
10
20
30
40
50
60
7280
81784
95944
1014072
1127104
1245288
1368400
1496048
15128064
16164424
17205128
18250176
19299568
20353304
21411384
22473808
23540576
24611688
25687144
26766944
27851088
28939576
291032408
301129584
311231104
321336968
331447176
341561728
351680624

[0,0,0,0,0,0,280,1784,5944,14072,27104,45288,
 68400,96048,128064,164424,205128,250176,299568,
 353304,411384,473808,540576,611688,687144,766944,
 851088,939576,1032408,1129584,1231104,1336968,
 1447176,1561728,1680624]