A285555 Expansion of q^(-2/5) * (r(q^2) + r(q)^2) / 2 in powers of q where r() is the Rogers-Ramanujan continued fraction.

1, -1, 1, -1, 0, 2, -3, 3, -2, -1, 5, -8, 8, -5, -2, 12, -18, 18, -11, -5, 24, -37, 37, -21, -10, 47, -72, 71, -40, -19, 88, -133, 131, -73, -35, 156, -236, 232, -127, -61, 270, -407, 397, -216, -104, 455, -682, 664, -359, -172, 747, -1117, 1084, -582, -279

Offset: 0

Author

Seiichi Manyama, Apr 21 2017

Keywords

• sign

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A007325, A055101, A112274, A285554.

Formula

a(2n) = (A007325(n) + A055101(2n)) / 2, a(2n+1) = A055101(2n+1) / 2.