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A234339
Number of (n+1)X(2+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14
1
9076, 411064, 15724414, 661471100, 27487124788, 1154009792030, 48437475144112, 2035786694647460, 85575493158941262, 3597958056402855960, 151280897615932954964, 6361035280117872077922, 267470896934735662199076
OFFSET
1,1
COMMENTS
Column 2 of A234343
FORMULA
Empirical recurrence of order 77 (see link above)
EXAMPLE
Some solutions for n=1
..6..0..7....0..4..6....3..0..7....4..6..4....7..0..6....2..5..0....6..0..5
..7..6..7....1..7..2....7..2..6....6..1..6....1..0..7....0..7..2....4..5..7
CROSSREFS
Sequence in context: A252443 A061135 A118700 * A346113 A247991 A234532
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 23 2013
STATUS
approved