A237914 Denominator 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, 1, 5, 1625, 4552965625, 1903093473120700811640625, 35439690826280881617902974047332204105007393232455078125

Offset

0,6

Links

Michael Somos, Table of n, a(n) for n = 0..10

Crossrefs

Cf. A237887.

Sequence in context: A366830 A123658 A262628 * A057199 A198246 A122465

Adjacent sequences: A237911 A237912 A237913 * A237915 A237916 A237917

Keyword

nonn

Author

Michael Somos, Feb 15 2014

Status

approved