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

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A058390 Number of 4 X 4 matrices with nonnegative integer entries and all row sums equal to n, up to row and column permutation. 7
 1, 5, 53, 458, 3411, 19865, 95214, 383714, 1346183, 4202086, 11905966, 31061806, 75533056, 172800689, 374861365, 775978710, 1541027694, 2949003213, 5458806804, 9805626744, 17140511056 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Andrew Howroyd, Table of n, a(n) for n = 0..1000 MATHEMATICA (* See A318951 for RowSumMats *) a[n_] := RowSumMats[4, 4, n]; a /@ Range[0, 20] (* Jean-François Alcover, Sep 15 2019, after Andrew Howroyd *) PROG (PARI) \\ See A318951 for RowSumMats a(n)=RowSumMats(4, 4, n); \\ Andrew Howroyd, Sep 05 2018 CROSSREFS Row 4 of A318951. Cf. A002620, A058389, A058391, A058392, A001496, A052280, A052281. Sequence in context: A069632 A069617 A173879 * A221236 A198963 A293082 Adjacent sequences:  A058387 A058388 A058389 * A058391 A058392 A058393 KEYWORD nonn AUTHOR Vladeta Jovovic, Nov 24 2000 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 23 07:07 EST 2020. Contains 331168 sequences. (Running on oeis4.)