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”).

A377884 as a simple table

na(n)
125
249
377
491
5119
6121
7133
8143
9161
10169
11187
12203
13209
14221
15247
16253
17289
18299
19319
20323
21341
22361
23377
24391
25403
26407
27437
28451
29473
30481
31493
32517
33527
34529
35533
36551
37559
38583
39589
40611
41629
42649
43667
44671
45689
46697
47703
48713
49731
50737
51767
52779
53781
54793
55799

[25,49,77,91,119,121,133,143,161,169,187,203,209,
 221,247,253,289,299,319,323,341,361,377,391,403,
 407,437,451,473,481,493,517,527,529,533,551,559,
 583,589,611,629,649,667,671,689,697,703,713,731,
 737,767,779,781,793,799]