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A252929 Number of nX7 nonnegative integer arrays with upper left 0 and lower right n+7-6 and value increasing by 0 or 1 with every step right or down 2
15, 483, 13976, 315198, 5385305, 71297441, 759337545, 6725497344, 50869309436, 335549742230, 1963313662947, 10332594393296, 49485574097413, 217813226273441, 888570804281664, 3384240524056852, 12109669540486657 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A252930

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical polynomial of degree 28

FORMULA

Empirical polynomial of degree 28 (see link above)

EXAMPLE

Some solutions for n=3

..0..1..1..1..1..2..3....0..1..1..2..3..3..4....0..1..2..2..3..3..4

..1..1..1..2..2..3..3....1..2..2..2..3..3..4....0..1..2..2..3..3..4

..2..2..2..2..3..4..4....2..2..2..3..3..3..4....1..2..2..2..3..3..4

CROSSREFS

Sequence in context: A289185 A079610 A218803 * A218198 A208624 A013433

Adjacent sequences:  A252926 A252927 A252928 * A252930 A252931 A252932

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 24 2014

STATUS

approved

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Last modified September 17 12:40 EDT 2021. Contains 347477 sequences. (Running on oeis4.)