login

A331894 as a simple table

na(n)
10
21
33
45
57
617
721
831
951
1065
1185
12127
13195
14257
15273
16325
17341
18455
19511
20771
21819
221025
231105
241285
251365
261799
272047
283075
294097
304161
314369
324433
335125
345189
355397
365461
377175
387967
398191
4012291
4112483
4213107
4316385
4416705
4517425
4617745
4720485
4820805

[0,1,3,5,7,17,21,31,51,65,85,127,195,257,273,325,
 341,455,511,771,819,1025,1105,1285,1365,1799,2047,
 3075,4097,4161,4369,4433,5125,5189,5397,5461,7175,
 7967,8191,12291,12483,13107,16385,16705,17425,
 17745,20485,20805]