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A187610 as a simple table

na(n)
10
20
30
40
596
6711
72083
84758
98979
1014434
1121526
1229978
1339790
1450962
1563494
1677386
1792638
18109250
19127222
20146554
21167246
22189298
23212710
24237482
25263614
26291106
27319958
28350170
29381742
30414674
31448966
32484618
33521630
34560002
35599734
36640826

[0,0,0,0,96,711,2083,4758,8979,14434,21526,29978,
 39790,50962,63494,77386,92638,109250,127222,
 146554,167246,189298,212710,237482,263614,291106,
 319958,350170,381742,414674,448966,484618,521630,
 560002,599734,640826]