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”).

A131200 as a simple table

na(n)
12
23
35
411
57
617
713
841
919
1067
1123
1283
1329
14109
1531
16127
1737
18157
1943
20191
2147
22211
2353
24241
2559
26277
2761
28283
2971
30353
3173
32367
3379
34401
3589
36461
3797
38509
39101
40547
41103
42563
43107
44587
45113
46617
47131
48739
49137
50773
51139
52797
53149
54859
55151
56877
57163
58967
59167

[2,3,5,11,7,17,13,41,19,67,23,83,29,109,31,127,37,
 157,43,191,47,211,53,241,59,277,61,283,71,353,73,
 367,79,401,89,461,97,509,101,547,103,563,107,587,
 113,617,131,739,137,773,139,797,149,859,151,877,
 163,967,167]