login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A236045 as a simple table

na(n)
12
25
3131
42129
59689
627809
736821
846619
9611729
10746171
11987491
121121189
131486451
142215529
152701931
164202171
174481069
184846469
195162141
205605949
216931559
227181039
238608571
249276821
259762611
2611427491
2711447759
2812208019

[2,5,131,2129,9689,27809,36821,46619,611729,
 746171,987491,1121189,1486451,2215529,2701931,
 4202171,4481069,4846469,5162141,5605949,6931559,
 7181039,8608571,9276821,9762611,11427491,11447759,
 12208019]