login

A015951 as a simple table

na(n)
11
22
33
49
521
626
727
863
981
10147
11189
12243
13338
14441
15567
16609
17729
18903
191029
201323
211378
221701
231827
242187
252667
262709
273087
283969
294263
304394
314401
325103
335481
346321
356561
367203
378001
388127
399261
409429
4111907
4212789
4313149
4413203

[1,2,3,9,21,26,27,63,81,147,189,243,338,441,567,
 609,729,903,1029,1323,1378,1701,1827,2187,2667,
 2709,3087,3969,4263,4394,4401,5103,5481,6321,6561,
 7203,8001,8127,9261,9429,11907,12789,13149,13203]