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A204211
Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than 6
1
1, 7, 49, 434, 4116, 41363, 431445, 4629851, 50775347, 566592411, 6412416619, 73428973184, 849204106870, 9904511238159, 116368090860251, 1375981128400665, 16362074062371685, 195540534817518299, 2347344805869798781
OFFSET
1,2
COMMENTS
Column 6 of A204213
LINKS
EXAMPLE
Some solutions for n=5
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..4....3....3....0....5....0....0....4....2....3....6....4....1....6....6....2
..9....1....6....5....1....1....4....5....5....6...12....1....0....2....0....2
..4....3...10....6....4....4....2....1....4....5...11....6....4....3....1....8
..5....1....5....5....1....1....5....0....1....5....6....1....1....5....0....5
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
CROSSREFS
Sequence in context: A145358 A366437 A195514 * A349117 A125796 A135745
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 12 2012
STATUS
approved