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A193058 Number of size n nonnegative integer arrays with new values introduced in increasing order from 0, and no 3 consecutive elements totalling n or more 1
1, 2, 4, 11, 35, 132, 575, 2666, 13366, 75702, 440671, 2729413, 18532000, 128377424, 932516735, 7310526099, 58152253376, 481264505644, 4246485063225, 37932739729104, 350480039796036, 3421582485716585, 33772551636563403 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..126

EXAMPLE

Some solutions for n=8

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A243788 A245465 A219861 * A179379 A086611 A035098

Adjacent sequences:  A193055 A193056 A193057 * A193059 A193060 A193061

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 15 2011

STATUS

approved

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Last modified October 25 23:29 EDT 2014. Contains 248566 sequences.