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”).

A360752 as a simple table

na(n)
11
23
31
49
51
641
71
865
9193
10161
111
122433
131
14897
1510241
1618433
171
1866049
191
20403457
21344065
2222529
231
247127041
255242881
26106497
279437185
2873629697
291
30332890113
311
32940572673
33230686721
342228225
359395240961
3618828754945
371
389961473
395234491393
40429517701121
411

[1,3,1,9,1,41,1,65,193,161,1,2433,1,897,10241,
 18433,1,66049,1,403457,344065,22529,1,7127041,
 5242881,106497,9437185,73629697,1,332890113,1,
 940572673,230686721,2228225,9395240961,
 18828754945,1,9961473,5234491393,429517701121,1]