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”).

A266295 as a simple table

na(n)
11
23
35
47
51
61
77
81
95
107
115
129
1313
1417
1511
1625
1733
1843
197
2027
2155
2233
2361
2411
255
2655
2733
2813
2953
3077
3111
3277
33109
34137
35167
36245
37329
38439
39295
40327
41695
42439
43439
44475
451
46677
47199
48169
49523
5049
51235
5261
53217
54281
55397
56239
57567
58371
59787

[1,3,5,7,1,1,7,1,5,7,5,9,13,17,11,25,33,43,7,27,
 55,33,61,11,5,55,33,13,53,77,11,77,109,137,167,
 245,329,439,295,327,695,439,439,475,1,677,199,169,
 523,49,235,61,217,281,397,239,567,371,787]