login

A038221 as a simple table

na(n)
01
13
23
39
418
59
627
781
881
927
1081
11324
12486
13324
1481
15243
161215
172430
182430
191215
20243
21729
224374
2310935
2414580
2510935
264374
27729
282187
2915309
3045927
3176545
3276545
3345927
3415309
352187
366561
3752488
38183708
39367416
40459270
41367416
42183708
4352488
446561

[1,3,3,9,18,9,27,81,81,27,81,324,486,324,81,243,
 1215,2430,2430,1215,243,729,4374,10935,14580,
 10935,4374,729,2187,15309,45927,76545,76545,45927,
 15309,2187,6561,52488,183708,367416,459270,367416,
 183708,52488,6561]