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A272610 as a simple table

na(n)
15
29
34
46
55
65
718
84
95
1010
1110
1218
134
1410
1515
1610
1727
184
1915
2015
2110
2236
234
2415
2520
2615
2736
284
2920
3025
3115
3245
334
3425
3525
3620
3745
384
3925
4035
4115
4254
434
4435
4525
4620
4772
484
4925
5040
5125
5254
534
5440
5540
5620
5772
584
5940
6035
6125
6281
634
6435
6550
6625
6781
684
6950
7040
7125
72117

[5,9,4,6,5,5,18,4,5,10,10,18,4,10,15,10,27,4,15,
 15,10,36,4,15,20,15,36,4,20,25,15,45,4,25,25,20,
 45,4,25,35,15,54,4,35,25,20,72,4,25,40,25,54,4,40,
 40,20,72,4,40,35,25,81,4,35,50,25,81,4,50,40,25,
 117]