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”).

A249735 as a simple table

na(n)
11
25
37
411
525
613
717
835
919
1023
1155
1229
1349
14125
1531
1637
1765
1877
1941
2085
2143
2247
23175
2453
25121
2695
2759
2891
29115
3061
3167
32275
33119
3471
35145
3673
3779
38245
39143
4083
41625
4289
43133
44155
4597
46187
47185
48161
49101
50325
51103
52107
53385
54109
55113
56205
57127
58203
59425
60209
61169
62215
63343
64131
65235
66137
67253
68875
69139
70149
71265
72221
73217
74605
75151

[1,5,7,11,25,13,17,35,19,23,55,29,49,125,31,37,65,
 77,41,85,43,47,175,53,121,95,59,91,115,61,67,275,
 119,71,145,73,79,245,143,83,625,89,133,155,97,187,
 185,161,101,325,103,107,385,109,113,205,127,203,
 425,209,169,215,343,131,235,137,253,875,139,149,
 265,221,217,605,151]