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”).

A075990 as a simple table

na(n)
11
24
37
410
513
616
717
819
922
1025
1129
1231
1337
1443
1549
1657
1761
1867
1973
2081
2182
2285
2391
2497
25101
26109
27113
28115
29121
30133
31136
32141
33142
34145
35155
36157
37169
38177
39181
40193
41199
42201
43211
44226
45229
46241
47253
48261
49262
50271
51274
52277
53283
54289
55301
56307
57313
58325

[1,4,7,10,13,16,17,19,22,25,29,31,37,43,49,57,61,
 67,73,81,82,85,91,97,101,109,113,115,121,133,136,
 141,142,145,155,157,169,177,181,193,199,201,211,
 226,229,241,253,261,262,271,274,277,283,289,301,
 307,313,325]