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”).

A273438 as a simple table

na(n)
71
884
94830
10243390
1111717013
12560544138
1327196758875
141353285904971
1569495472079033
163696068344472504
17203958595104203576
1811687491140975605592
19695597351310503327386
2042988755956609918306640
212757417607812192585058358
22183451189952939198906121968

[1,84,4830,243390,11717013,560544138,27196758875,
 1353285904971,69495472079033,3696068344472504,
 203958595104203576,11687491140975605592,
 695597351310503327386,42988755956609918306640,
 2757417607812192585058358,
 183451189952939198906121968]