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”).

A164121 as a simple table

na(n)
11
23
35
49
511
615
717
823
927
1029
1133
1235
1339
1441
1547
1653
1757
1859
1963
2065
2169
2271
2375
2477
2583
2693
2795
2899
29101
30105
31107
32117
33127
34129
35133
36135
37137
38143
39147
40149
41153
42155
43159
44161
45167
46173
47177
48179
49185
50189
51191
52195
53197
54213
55221
56225
57227
58233
59237
60239

[1,3,5,9,11,15,17,23,27,29,33,35,39,41,47,53,57,
 59,63,65,69,71,75,77,83,93,95,99,101,105,107,117,
 127,129,133,135,137,143,147,149,153,155,159,161,
 167,173,177,179,185,189,191,195,197,213,221,225,
 227,233,237,239]