A377005 Number of inequivalent 2*n X 10 binary arrays with row sums 5 and column sums n up to row and column permutations.

1, 1, 5, 46, 3144, 601055, 128665248, 24124134235, 3846063693791, 523474723784499, 61451727919769422, 6288576962481252097, 566522424663964802533, 45327061007633462729853, 3246317954956652960733055, 209590042445523033214523199, 12275325090242910474009076242

Offset

0,3

Links

Table of n, a(n) for n=0..16.

Crossrefs

Column k=5 of A377007.

Cf. A172557.

Sequence in context: A036246 A183240 A299715 * A000872 A307406 A060392

Adjacent sequences: A377002 A377003 A377004 * A377006 A377007 A377008

Keyword

nonn

Author

Andrew Howroyd, Oct 12 2024

Status

approved