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A193057 Number of size n nonnegative integer arrays with new values introduced in increasing order from 0, and no 2 consecutive elements totalling n or more 1
1, 2, 4, 13, 43, 179, 754, 3752, 18910, 107947, 626797, 4007984, 26177428, 184572504, 1333510143, 10251720776, 80925610461, 672581036971, 5745786626079, 51276472540865, 470474128209758, 4483074757033617, 43904371855787890 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=8

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

..1....1....1....1....1....1....1....1....0....0....1....1....1....0....1....1

..2....2....2....1....2....2....2....0....0....1....2....2....1....1....1....2

..3....3....2....1....2....3....1....0....1....2....3....0....0....1....0....2

..1....2....1....0....2....1....1....2....0....3....3....3....0....0....2....1

..3....2....1....1....1....1....0....1....2....1....4....0....0....1....1....3

..4....3....2....2....2....1....0....3....1....3....0....3....1....1....3....0

..1....4....3....0....1....3....1....3....0....0....4....0....1....0....0....3

CROSSREFS

Sequence in context: A050624 A135501 A001548 * A115600 A007858 A153930

Adjacent sequences:  A193054 A193055 A193056 * A193058 A193059 A193060

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 15 2011

STATUS

approved

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Last modified April 24 06:06 EDT 2014. Contains 240955 sequences.