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A193059 Number of size n nonnegative integer arrays with new values introduced in increasing order from 0, and no 4 consecutive elements totalling n or more 1
1, 2, 4, 11, 30, 103, 423, 1898, 9186, 48459, 277813, 1682335, 10842496, 73622545, 532098309, 4013332419, 31553670222, 258169433450, 2231159821028, 19826045896926, 182181813932571, 1733395478474786, 17237091890882863 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..61

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A148159 A275310 A102814 * A034770 A276687 A298891

Adjacent sequences:  A193056 A193057 A193058 * A193060 A193061 A193062

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 15 2011

STATUS

approved

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Last modified August 2 12:30 EDT 2021. Contains 346424 sequences. (Running on oeis4.)