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”).

A240411 as a simple table

na(n)
114
2493
317075
4773196
533373526
61615637679
774389514201
83790596926634
9180050906023325
109401180099632567
11454863378057031995

[14,493,17075,773196,33373526,1615637679,
 74389514201,3790596926634,180050906023325,
 9401180099632567,454863378057031995]