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A237312 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal 1
42474, 1218584, 33313192, 1008893682, 29705879570, 921202878454, 28008850432408, 882133454021878, 27361616605419182, 871635510499776082, 27423157460745254676, 881046370624211609338, 28012795022432295928802 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A237315
LINKS
EXAMPLE
Some solutions for n=1
..0..2..1..3..2....2..2..1..3..1....1..3..1..2..0....2..2..3..3..3
..1..3..2..0..1....1..3..2..0..1....0..2..0..3..1....1..2..3..3..3
CROSSREFS
Sequence in context: A103155 A271749 A031670 * A217164 A062694 A210264
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 2014
STATUS
approved

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Last modified June 15 03:12 EDT 2024. Contains 373402 sequences. (Running on oeis4.)