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 A229628 Hankel transform of A000265 (odd part of n). 1
 1, 2, -12, -8, 544, -2656, -16320, 141696, 724224, -6796288, -7730176, 319698944, 221900800, -6301081600, -44793036800, 2700224856064, 1941732786176, -12433466195968, -27512426201088, 2231502495547392, 288268735217664, -1425307636596736, -18345681160765440 (list; graph; refs; listen; history; text; internal format)
 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

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Last modified April 23 22:58 EDT 2019. Contains 322389 sequences. (Running on oeis4.)