login

A357820 as a simple table

na(n)
11
22
311
43
511
65
723
87
923
1065
1171
1217
1364
14491
1564
16491
17173
18505
192651
202581
2110639
221151
233593
243523
25727
26237
272189
282147
2911071
3010931
315623
322759
335623
3416589
352113
368347
37162373
38159979
3920318
40160549
41163969
42649891
437292441
447204661
457292441
467204661

[1,2,11,3,11,5,23,7,23,65,71,17,64,491,64,491,173,
 505,2651,2581,10639,1151,3593,3523,727,237,2189,
 2147,11071,10931,5623,2759,5623,16589,2113,8347,
 162373,159979,20318,160549,163969,649891,7292441,
 7204661,7292441,7204661]