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A165517 as a simple table

na(n)
10
25
314
463
5152
6637
71518
86319
915040
1062565
11148894
12619343
131473912
146130877
1514590238
1660689439
17144428480
18600763525
191429694574
205946945823
2114152517272
2258868694717
23140095478158
24582740001359
251386802264320

[0,5,14,63,152,637,1518,6319,15040,62565,148894,
 619343,1473912,6130877,14590238,60689439,
 144428480,600763525,1429694574,5946945823,
 14152517272,58868694717,140095478158,582740001359,
 1386802264320]