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”).

A053237 as a simple table

na(n)
11
231
338
467
574
698
7128
8197
9228
10240
11247
12277
13283
14307
15313
16332
17339
18369
19382
20400
21413
22430
23459
24489
25502
26520
27551
28609
29622
30646
31664
32729
33759
34771
35823
36830
37843
38908
39915
40940
41969
421038
431057
441086
451117
461124
471148
481206
491247
501266
511290

[1,31,38,67,74,98,128,197,228,240,247,277,283,307,
 313,332,339,369,382,400,413,430,459,489,502,520,
 551,609,622,646,664,729,759,771,823,830,843,908,
 915,940,969,1038,1057,1086,1117,1124,1148,1206,
 1247,1266,1290]