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”).

A256302 as a simple table

na(n)
02
15
25
35
411
511
611
711
811
911
1023
1123
1223
1323
1423
1523
1623
1723
1823
1923
2023
2123

[2,5,5,5,11,11,11,11,11,11,23,23,23,23,23,23,23,
 23,23,23,23,23]