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”).

A055030 as a simple table

na(n)
11
22
371
49596
51355849266
61032458258547
71653031004194447737
83167496749732497119310
922841077183004879532481321652
101768861419039838982256898243427529138091
1110293527624511391856267274608237685758691696

[1,2,71,9596,1355849266,1032458258547,
 1653031004194447737,3167496749732497119310,
 22841077183004879532481321652,
 1768861419039838982256898243427529138091,
 10293527624511391856267274608237685758691696]