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A143985
a(0) = 0; thereafter, a(n+1) = (a(n) + 2)^2 - n.
1
0, 3, 23, 622, 389372, 151612111871, 22986232466591067568123, 528366883008165274204418444362589201516015618, 279171563059764209960524428253973697688487588192684862752843397296212343984911360083984392
OFFSET
0,2
MATHEMATICA
lst={}; a=0; Do[AppendTo[lst, a=a^2-n]; a=a+2, {n, 0, 9}]; lst
CROSSREFS
Sequence in context: A101191 A127900 A229266 * A333739 A119669 A013391
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited by N. J. A. Sloane, Sep 14 2008, Jan 02 2009
STATUS
approved