The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A262921 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A262921

Number of (7+1)X(n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits.
(history; published version)

#4 by R. H. Hardin at Sun Oct 04 10:16:59 EDT 2015

STATUS

editing

approved

#3 by R. H. Hardin at Sun Oct 04 10:16:56 EDT 2015

LINKS

R. H. Hardin, <a href="/A262921/b262921.txt">Table of n, a(n) for n = 1..104</a>

#2 by R. H. Hardin at Sun Oct 04 10:16:39 EDT 2015

NAME

allocated for R. H. Hardin

Number of (7+1)X(n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits.

DATA

37, 145, 5797, 51769, 2045269, 33948145, 1282949605, 32134185721, 1167936430357, 36073199081665, 1296185238921637, 44004551333065849, 1586887190270675029, 56226197936849068945, 2042436589392526147045, 73857813970541521390201

OFFSET

1,1

COMMENTS

Row 7 of A262917.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

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

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

CROSSREFS

Cf. A262917.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Oct 04 2015

STATUS

approved

editing

#1 by R. H. Hardin at Sun Oct 04 10:03:23 EDT 2015

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved