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A237887
Numerator of a(n) where a(0) = a(1) = a(2) = 1, a(n) * (a(n) + a(n+3)) = (a(n) + 2*a(n+2)) * (a(n) + a(n+2)).
1
1, 1, 1, 5, 65, 8621, 149184857, 44551677001092773, 3970578415163336458099984005568433, 31532720313075764582758396083530822599715967108537469217279098897853
OFFSET
0,4
CROSSREFS
Cf. A237914.
Sequence in context: A012476 A195516 A167536 * A042491 A183899 A263784
KEYWORD
nonn
AUTHOR
Michael Somos, Feb 15 2014
STATUS
approved