OFFSET
0,2
FORMULA
a(n) ~ c^(2^n), where c = 1.6960426326108078452611100055735661068469295099996784988263600567400352165... . - Vaclav Kotesovec, Dec 18 2014
MATHEMATICA
a = ConstantArray[0, 10]; a[[1]]=2; Do[a[[n]] = a[[n-1]]^2 + a[[Floor[n/2]]]^2, {n, 2, 10}]; Flatten[{1, a}] (* Vaclav Kotesovec, Dec 18 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 08 2004
STATUS
approved