login

A012156 as a simple table

na(n)
01
15
2121
37069
4763057
5132103157
633527321257
711731117858573
85412661283979361
93184128808387236581
102326120405922560979929
112066008261961436163683709
122192446490036211173903631121

[1,5,121,7069,763057,132103157,33527321257,
 11731117858573,5412661283979361,
 3184128808387236581,2326120405922560979929,
 2066008261961436163683709,
 2192446490036211173903631121]