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”).

A175901 as a simple table

na(n)
17
217
319
426
531
641
749
853
955
1065
1171
1276
1397
14109
15127
16129
17161
18191
19197
20199
21209
22239
23241
24251
25271
26289
27295
28351
29391
30401
31433
32449
33485
34511
35575
36577
37626
38647
39649
40685
41701
42703
43721
44727
45799
46811
47881
48883
49901
50967
51989
521025
531055
541079

[7,17,19,26,31,41,49,53,55,65,71,76,97,109,127,
 129,161,191,197,199,209,239,241,251,271,289,295,
 351,391,401,433,449,485,511,575,577,626,647,649,
 685,701,703,721,727,799,811,881,883,901,967,989,
 1025,1055,1079]