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”).

A219567 as a simple table

na(n)
17
2188
33018
445435
5700482
610841317
7167564959
82589258081

[7,188,3018,45435,700482,10841317,167564959,
 2589258081]