login

A281387 as a simple table

na(n)
14
211
311
429
529
676
776
8199
9199
10521
11521
121364
131364
143571
153571
169349
179349
1824476
1924476
2064079
2164079
22167761
23167761
24439204
25439204
261149851
271149851
283010349
293010349
307881196
317881196
3220633239
3320633239
3454018521
3554018521
36141422324

[4,11,11,29,29,76,76,199,199,521,521,1364,1364,
 3571,3571,9349,9349,24476,24476,64079,64079,
 167761,167761,439204,439204,1149851,1149851,
 3010349,3010349,7881196,7881196,20633239,20633239,
 54018521,54018521,141422324]