0,2
a(2*n) = floor(A001079(n) + A001078(n)*sqrt(6));
(sqrt(2)+sqrt(3))^(2*n)=A001079(n)+A001078(n)*sqrt(6);
a(2*n+1) = floor(A054320(n)*sqrt(2) + A138288(n)*sqrt(3));
(sqrt(2)+sqrt(3))^(2*n+1)=A054320(n)*sqrt(2)+A138288(n)*sqrt(3).
Cf. A089078, A110117, A121503, A135611, A135798.
Sequence in context: A018370 A183519 A001672 * A049416 A148959 A148960
Adjacent sequences: A138278 A138279 A138280 * A138282 A138283 A138284
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 12 2008