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A213846 as a simple table

na(n)
13
223
390
4250
5565
61113
71988
83300
95175
107755
1111198
1215678
1321385
1428525
1537320
1648008
1760843
1876095
1994050
20115010
21139293
22167233
23199180
24235500
25276575
26322803
27374598
28432390
29496625
30567765

[3,23,90,250,565,1113,1988,3300,5175,7755,11198,
 15678,21385,28525,37320,48008,60843,76095,94050,
 115010,139293,167233,199180,235500,276575,322803,
 374598,432390,496625,567765]