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A285350
Convolution square of A285349.
0
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
0,2
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).
CROSSREFS
Cf. A007325, A078905 (r(q)^5), A112274 (k(q)), A285349.
Sequence in context: A008211 A008077 A301265 * A072389 A218391 A297568
KEYWORD
sign
AUTHOR
Seiichi Manyama, Apr 17 2017
STATUS
approved