A285350 Convolution square of A285349.

1, -4, 12, -24, 36, -36, 8, 56, -148, 228, -228, 80, 248, -688, 1048, -1048, 420, 896, -2588, 3920, -3884, 1648, 2864, -8488, 12744, -12516, 5440, 8400, -25176, 37480, -36504, 16032, 22892, -69024, 101968, -98504, 43468, 58736, -177584, 260416, -249732, 110328

Offset: 0

Author

Seiichi Manyama, Apr 17 2017

Keywords

• sign

Comments

Let k(q) = r(q) * r(q^2)^2.

G.f. satisfies: A(q) = ( (1 - k(q))/(1 + k(q)) )^2.

And r(q)^5 = k(q) * A(q).

Links

• Wikipedia, Rogers-Ramanujan continued fraction

Crossrefs

Cf. A007325, A078905 (r(q)^5), A112274 (k(q)), A285349.