The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A219290 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A219290

Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array
(history; published version)

#4 by R. H. Hardin at Sat Nov 17 05:42:51 EST 2012

STATUS

editing

approved

#3 by R. H. Hardin at Sat Nov 17 05:42:48 EST 2012

LINKS

R. H. Hardin, <a href="/A219290/b219290.txt">Table of n, a(n) for n = 1..41</a>

#2 by R. H. Hardin at Sat Nov 17 05:42:17 EST 2012

NAME

allocated for R. H. Hardin

Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array

DATA

7, 18, 220, 2623, 22970, 185295, 1455308, 11001188, 78655701, 530818425, 3400770086, 20765160878, 121095265926, 675886798131, 3619746974319, 18647969101899, 92619652248187, 444385154988709, 2063495070975608

OFFSET

1,1

COMMENTS

Column 7 of A219291

EXAMPLE

Some solutions for n=3

..0..0..0..0..0..0..0....0..0..0..0..1..1..1....0..0..0..0..1..1..1

..0..0..0..0..0..0..0....0..0..0..0..0..1..1....0..0..0..0..0..0..0

..0..0..0..0..0..0..1....0..0..0..0..0..0..1....0..1..1..0..0..0..0

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin Nov 17 2012

STATUS

approved

editing

#1 by R. H. Hardin at Sat Nov 17 05:31:38 EST 2012

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved