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”).

A199753 as a simple table

na(n)
05
145
2485
35325
458565
5644205
67086245
777948685
8857435525
99431790765
10103749698405
111141246682445
1212553713506885
13138090848575725
141518999334332965
1516708992677662605
16183798919454288645
172021788113997175085

[5,45,485,5325,58565,644205,7086245,77948685,
 857435525,9431790765,103749698405,1141246682445,
 12553713506885,138090848575725,1518999334332965,
 16708992677662605,183798919454288645,
 2021788113997175085]