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: A034550 A018370 A001672 this_sequence A049416 A027029 A027092

Adjacent sequences: A138278 A138279 A138280 this_sequence A138282 A138283 A138284

nonn

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 12 2008