The On-Line Encyclopedia of Integer Sequences (OEIS)

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A231936

Number of nX3 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors
(history; published version)

#6 by Russ Cox at Mon Aug 11 22:45:55 EDT 2014

LINKS

R. H. Hardin, <a href="/A231936/a231936.txt">Empirical recurrence of order 65</a>

Discussion

Mon Aug 11

22:45

OEIS Server: https://oeis.org/edit/global/2322

#5 by R. H. Hardin at Fri Nov 15 14:24:54 EST 2013

STATUS

editing

approved

#4 by R. H. Hardin at Fri Nov 15 14:24:50 EST 2013

LINKS

R. H. Hardin, <a href="/A231936/a231936.txt">Empirical recurrence of order 65</a>

R. H. Hardin, <a href="/A231936/b231936.txt">Table of n, a(n) for n = 1..210</a>

#3 by R. H. Hardin at Fri Nov 15 14:24:03 EST 2013

NAME

allocated for R. H. Hardin

Number of nX3 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors

DATA

16, 668, 8426, 152180, 2462572, 36885538, 586971925, 9394148948, 147360195020, 2323912599668, 36828163940937, 581946068219980, 9192142912146333, 145366991149880099, 2298573739864122981, 36336196551594686076

OFFSET

1,1

COMMENTS

Column 3 of A231940

FORMULA

Empirical recurrence of order 65 (see link above)

EXAMPLE

Some solutions for n=3

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

..1..0..3....3..0..2....3..1..1....1..3..3....1..1..2....2..0..0....0..0..0

..0..0..0....0..2..0....1..1..1....1..1..3....3..1..1....0..0..2....0..0..1

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Nov 15 2013

STATUS

approved

editing

#2 by R. H. Hardin at Fri Nov 15 14:22:58 EST 2013

KEYWORD

allocating

allocated

#1 by R. H. Hardin at Fri Nov 15 14:22:58 EST 2013

NAME

allocated for R. H. Hardin

KEYWORD

allocating

STATUS

approved