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A128553 as a simple table

na(n)
01
15
218
358
4155
5383
6867
71860
83782
97409
1013989
1125683
1245905
1380262
14137453
15231269
16382689
17624061
181003787
191594796
202504587
213892100
225988403
239129707
2413798792
2520688367
2630781988
2745473815
2866723042
2997276842
30140959603

[1,5,18,58,155,383,867,1860,3782,7409,13989,25683,
 45905,80262,137453,231269,382689,624061,1003787,
 1594796,2504587,3892100,5988403,9129707,13798792,
 20688367,30781988,45473815,66723042,97276842,
 140959603]