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A184373
1/3 the number of (n+1)X7 0..2 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically
1
420633, 281803871, 185547841629, 122443114867993, 80778452206783159, 53293289955084658949, 35159890626610196979641, 23196517518911246631354055, 15303755709562804997482560737, 10096556166552290137769922123373
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OFFSET
1,1
COMMENTS
Column 6 of
A184376
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..154
EXAMPLE
Some solutions for 3X7 with a(1,1)=0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..1..2..2..0..0..0..0....1..1..2..0..0..0..1....1..1..0..0..0..0..1
..1..1..2..0..2..0..0....0..0..2..0..2..0..0....0..1..0..1..0..2..1
CROSSREFS
Sequence in context:
A116936
A255081
A206315
*
A164729
A164730
A084734
Adjacent sequences:
A184370
A184371
A184372
*
A184374
A184375
A184376
KEYWORD
nonn
AUTHOR
R. H. Hardin
Jan 12 2011
STATUS
approved
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Last modified July 25 10:27 EDT 2024. Contains 374587 sequences. (Running on oeis4.)