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A319098 as a simple table

na(n)
00
15
240
3138
4824
53225
687260
7793154
8793154
929617159
10191031587
111320932583
127252912812
137252912812
147252912812
152041922131359
1616284606661188
1782750467800390
181013272523749218
199155340513301463
2031953130884047749
21111745397181659750
22670291261264943757

[0,5,40,138,824,3225,87260,793154,793154,29617159,
 191031587,1320932583,7252912812,7252912812,
 7252912812,2041922131359,16284606661188,
 82750467800390,1013272523749218,9155340513301463,
 31953130884047749,111745397181659750,
 670291261264943757]