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”).

A136727 as a simple table

na(n)
01
11
23
317
4139
51481
619443
7303297
85480219
9112549881
102589274883
1165957355377
121842897053099
1356038776055081
141842278768795923
1565109900167188257
162461735422517374779
1799148196540813749081

[1,1,3,17,139,1481,19443,303297,5480219,112549881,
 2589274883,65957355377,1842897053099,
 56038776055081,1842278768795923,65109900167188257,
 2461735422517374779,99148196540813749081]