The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A205340 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A205340

Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements unequal but differing by no more than 7
(history; published version)

#5 by Russ Cox at Sat Mar 31 12:37:06 EDT 2012

AUTHOR

_R. H. Hardin (rhhardin(AT)att.net) _ Jan 26 2012

Discussion

Sat Mar 31

12:37

OEIS Server: https://oeis.org/edit/global/875

#4 by Ron Hardin at Thu Jan 26 10:48:23 EST 2012

STATUS

editing

approved

#3 by Ron Hardin at Thu Jan 26 10:47:58 EST 2012

LINKS

R. H. Hardin, <a href="/A205340/b205340.txt">Table of n, a(n) for n = 1..210</a>

#2 by Ron Hardin at Thu Jan 26 10:47:36 EST 2012

NAME

allocated for Ron HardinNumber of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements unequal but differing by no more than 7

DATA

0, 7, 42, 441, 4424, 48335, 542850, 6285127, 74286702, 893407361, 10894937088, 134418087923, 1674757658798, 21042485711561, 266318361927208, 3392084001234202, 43447635519011920, 559277626577030221

OFFSET

1,2

COMMENTS

Column 7 of A205341

EXAMPLE

Some solutions for n=5

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

..4....4....5....7....2....5....6....1....2....6....4....4....2....7....4....4

..5....5...10....9....7...12....8....0....8....4....9...11....8....1....9....5

.11...12....4...11....0...14....9....1...10....8....3....4...13....5....7....0

..6....6....5....5....6....7....4....4....4....7....7....5....7....2....1....4

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Jan 26 2012

STATUS

approved

editing

#1 by Ron Hardin at Thu Jan 26 10:42:25 EST 2012

NAME

allocated for Ron Hardin

KEYWORD

allocated

STATUS

approved