The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A225764 Permanent of the n X n matrix M_n = [m_n(i,j)] with m_n(i,j) = Stirling2(n+i,j) for 1<=i,j<=n. 2
 1, 1, 10, 3206, 70437736, 183833539918302, 87416643970622777251260, 10762624962747767163398087106191432, 462465255409000135911575652811547463563975232544, 8991898462406411877745541835505866750273920745448784932109344640 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Vaclav Kotesovec, Table of n, a(n) for n = 0..28 (terms 0..22 from Alois P. Heinz) Wikipedia, Permanent (mathematics) EXAMPLE a(3) = Permanent([1, 7, 6; 1, 15, 25; 1, 31, 90]) = 3206. MAPLE with(LinearAlgebra): a:= n-> `if`(n=0, 1, Permanent(Matrix(n, (i, j)-> Stirling2(n+i, j)))): seq(a(n), n=0..10); MATHEMATICA a[n_] := Permanent[Table[StirlingS2[n+i, j], {i, n}, {j, n}]]; a[0] = 1; Table[a[n], {n, 0, 10}] (* Jean-François Alcover, Jan 07 2016 *) CROSSREFS Cf. A036740 (determinant of M_n). Cf. A008277, A048993. Sequence in context: A061543 A305666 A320307 * A243008 A133198 A292443 Adjacent sequences:  A225761 A225762 A225763 * A225765 A225766 A225767 KEYWORD nonn AUTHOR Alois P. Heinz, Jul 25 2013 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 24 16:44 EST 2020. Contains 331209 sequences. (Running on oeis4.)