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”).

A159086 as a simple table

na(n)
61
737
8892
918102
10339278
116138280
12109813241
131970482132
1435785828571
15661740800536

[1,37,892,18102,339278,6138280,109813241,
 1970482132,35785828571,661740800536]