login

A177945 as a simple table

na(n)
13
27
313
437
579
6163
7349
8757
91567
103163
116547
1213099
1326497
1452999
15106273
16212557
17426889
18855427
191710853
203421903
216845869
2213691767
2327385087
2454771007
25109542907
26219096259
27438203677
28876417229
291752875893
303505814527
317011656629
3214023322167
3328046754727
3456093637367

[3,7,13,37,79,163,349,757,1567,3163,6547,13099,
 26497,52999,106273,212557,426889,855427,1710853,
 3421903,6845869,13691767,27385087,54771007,
 109542907,219096259,438203677,876417229,
 1752875893,3505814527,7011656629,14023322167,
 28046754727,56093637367]