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A236030 Number of (n+1) X (3+1) 0..2 arrays colored with the difference of the upper median and the lower median in each 2 X 2 subblock. 1
1848, 14980, 116786, 965344, 8289258, 68613596, 570818506, 4747089488, 39848021722, 330427763000, 2767283162570, 22979305037276, 192512468335056, 1597892870968064, 13385558626977130, 111129970428464292 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A236035.
LINKS
FORMULA
Empirical recurrence of order 92 (see link above).
EXAMPLE
Some solutions for n=3
..0..1..2..2....1..0..1..0....0..0..1..0....0..0..1..0....2..1..2..0
..0..0..2..1....0..1..2..2....1..0..2..1....0..2..2..1....0..0..1..2
..1..2..2..1....2..1..2..1....0..2..0..2....0..2..0..2....0..0..1..0
..0..1..0..1....2..1..1..2....2..2..1..1....1..1..0..0....2..2..1..0
CROSSREFS
Cf. A236035.
Sequence in context: A092003 A090783 A247724 * A237892 A326318 A115719
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 18 2014
STATUS
approved

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)