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”).

A218393 as a simple table

na(n)
01
11
25
3429
4399273
53072726201
6195746363156205
7107315772169710355749
8519518439242514267271247313
922466597296811866577087885119239921
108719095388372045822565716229498060925301845
1130421189091577923093547933001708849981738642279605789

[1,1,5,429,399273,3072726201,195746363156205,
 107315772169710355749,519518439242514267271247313,
 22466597296811866577087885119239921,
 8719095388372045822565716229498060925301845,
 30421189091577923093547933001708849981738642279605\
 789]