

A153061


a(1)=2, a(n)=a(n1)^2+n.


3



4, 17, 291, 84684, 7171379860, 51428689096413619605, 2644910062175573125355281735337640356031, 6995549236997594095768769895625713364190838574177475661857423797590740438072968
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OFFSET

0,1


LINKS

Table of n, a(n) for n=0..7.
Index entries for sequences of form a(n+1)=a(n)^2 + ...


MATHEMATICA

a=2; lst={}; Do[a=a^2+n; AppendTo[lst, a], {n, 0, 10}]; lst
RecurrenceTable[{a[0]==4, a[n]==a[n1]^2+n}, a, {n, 10}] (* Harvey P. Dale, Oct 17 2013 *)


CROSSREFS

Cf. A056520, A153056, A153057, A153058, A153059, A086851, A153060, A098152, A028300.
Sequence in context: A126776 A214143 A015489 * A041701 A154131 A132554
Adjacent sequences: A153058 A153059 A153060 * A153062 A153063 A153064


KEYWORD

nonn


AUTHOR

Vladimir Joseph Stephan Orlovsky, Dec 17 2008


STATUS

approved



