The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A213115 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A213115

Number of binary arrays of length n+9 with fewer than 5 ones in any length 10 subsequence (=less than 50% duty cycle)
(history; published version)

#4 by R. H. Hardin at Tue Jun 05 22:23:59 EDT 2012

STATUS

editing

approved

#3 by R. H. Hardin at Tue Jun 05 22:23:55 EDT 2012

LINKS

R. H. Hardin, <a href="/A213115/b213115.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Tue Jun 05 22:23:39 EDT 2012

NAME

allocated for R. H. Hardin

Number of binary arrays of length n+9 with fewer than 5 ones in any length 10 subsequence (=less than 50% duty cycle)

DATA

386, 646, 1110, 1926, 3354, 5842, 10154, 17578, 30256, 51692, 87508, 148556, 253348, 433455, 743027, 1274970, 2188430, 3755600, 6441345, 11038715, 18900654, 32346074, 55355775, 94759703, 162266073, 277937560, 476145196, 815757624

OFFSET

1,1

COMMENTS

Column 5 of A213118

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

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

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

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin Jun 05 2012

STATUS

approved

editing

#1 by R. H. Hardin at Tue Jun 05 22:12:27 EDT 2012

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved