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”).

A073434 as a simple table

na(n)
12
23
35
411
523
641
753
883
9131
10233
11239
12251
13359
14443
15491
16509
17641
18719
19743
20761
21809
22953
231019
241031
251103
261451
271511
281559
291583
301733
311889
321901
331931
341973
352063
362069
372129
382273
392351
402543
412549
422693
432753
442819
452903
462939
472963
482969

[2,3,5,11,23,41,53,83,131,233,239,251,359,443,491,
 509,641,719,743,761,809,953,1019,1031,1103,1451,
 1511,1559,1583,1733,1889,1901,1931,1973,2063,2069,
 2129,2273,2351,2543,2549,2693,2753,2819,2903,2939,
 2963,2969]