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A066219 as a simple table

na(n)
15
27
345
4104
5105
6345
71754
83255
916215
1017534
1122935
1267431
1370634
1493074
15983775
161025504
171156701
182200694
192619705
202745765
213365438
224163355
234447064
244695704
256372794
267838265
279718904
2811903775
2923992215
3026879684
3129357475
3237239735
3340588485

[5,7,45,104,105,345,1754,3255,16215,17534,22935,
 67431,70634,93074,983775,1025504,1156701,2200694,
 2619705,2745765,3365438,4163355,4447064,4695704,
 6372794,7838265,9718904,11903775,23992215,
 26879684,29357475,37239735,40588485]