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”).

A298775 as a simple table

na(n)
10
21
31
41
53
61
72
87
97
102
113
1213
1315
1413
153
165
1723
1825
1925
2023
215
228
2349
2447
2578
2647
2749
288
2913
3099
31109
32233
33233
34109
3599
3613
3721
38189
39245
40779
41682
42779
43245
44189
4521
4634
47383
48545
492359
502603
512603
522359
53545
54383
5534
5655
57777
581253
597024
6011657
6111320
6211657
637024

[0,1,1,1,3,1,2,7,7,2,3,13,15,13,3,5,23,25,25,23,5,
 8,49,47,78,47,49,8,13,99,109,233,233,109,99,13,21,
 189,245,779,682,779,245,189,21,34,383,545,2359,
 2603,2603,2359,545,383,34,55,777,1253,7024,11657,
 11320,11657,7024]