A229628 Hankel transform of A000265 (odd part of n).

1, 2, -12, -8, 544, -2656, -16320, 141696, 724224, -6796288, -7730176, 319698944, 221900800, -6301081600, -44793036800, 2700224856064, 1941732786176, -12433466195968, -27512426201088, 2231502495547392, 288268735217664, -1425307636596736, -18345681160765440

Offset

1,2

Comments

Determinant of the n X n matrix M, where M(i,j) = A000265(i+j-1).

Links

Alois P. Heinz, Table of n, a(n) for n = 1..200

Prog

(PARI) hankel(v, n)=matdet(matrix(n, n, i, j, v[i+j-1]));
a(n)=hankel(vector(2*n, k, k/valuation(k, 2)), n);

Crossrefs

Cf. A229625.

Sequence in context: A173181 A001898 A268230 * A002209 A100654 A166544

Adjacent sequences: A229625 A229626 A229627 * A229629 A229630 A229631

Keyword

sign

Author

Ralf Stephan, Sep 27 2013

Status

approved