A250978 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A250978

Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements

1

35381, 5598430, 883387252, 139471732486, 22020178055066, 3476591604928509, 548891857207523016, 86660272180224040474, 13682117100301993675816, 2160163148259481022075648, 341051373664998454076089538

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 4 of A250982

LINKS

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

R. H. Hardin, Empirical recurrence of order 97

FORMULA

Empirical recurrence of order 97 (see link above)

EXAMPLE

Some solutions for n=1

..1..2..0..1..1....1..0..2..1..0....2..2..0..0..0....2..2..2..0..2

..0..1..1..1..1....1..2..1..0..1....0..2..1..1..2....2..0..0..1..1

CROSSREFS

Sequence in context: A254890 A187855 A300762 * A282129 A203337 A184002

Adjacent sequences: A250975 A250976 A250977 * A250979 A250980 A250981

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 29 2014

STATUS

approved