login
a(n) = (n^2+1)^2+1.
2

%I #8 Mar 12 2020 10:57:01

%S 2,5,26,101,290,677,1370,2501,4226,6725,10202,14885,21026,28901,38810,

%T 51077,66050,84101,105626,131045,160802,195365,235226,280901,332930,

%U 391877,458330,532901,616226,708965,811802,925445,1050626,1188101

%N a(n) = (n^2+1)^2+1.

%t Table[(n^2 + 1)^2 + 1, {n, 0, 5!}]

%Y Cf. A002522.

%K nonn,easy

%O 0,1

%A _Vladimir Joseph Stephan Orlovsky_, May 27 2010

%E Offset changed to 0 by _Georg Fischer_, Mar 12 2020