login

A121934 as a simple table

na(n)
11
21
35
411
559
659
7419
8839
92519
102519
1127719
1227719
13360359
14360359
15360359
16720719
1712252239
1812252239
19232792559
20232792559
21232792559
22232792559
235354228879
245354228879
2526771144399
2626771144399
2780313433199
2880313433199

[1,1,5,11,59,59,419,839,2519,2519,27719,27719,
 360359,360359,360359,720719,12252239,12252239,
 232792559,232792559,232792559,232792559,
 5354228879,5354228879,26771144399,26771144399,
 80313433199,80313433199]