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A189332 Number of nondecreasing arrangements of 9 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four 1
2, 16, 34, 94, 119, 275, 253, 548, 477, 845, 725, 1375, 951, 1608, 1522, 2126, 1511, 2758, 1809, 3130, 2557, 3125, 2312, 4710, 2551, 3930, 3502, 4942, 2922, 6053, 3105, 5798, 4483, 5381, 4049, 8173, 3634, 6207, 5339, 8368, 4204, 8795, 4353, 8395, 7148 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A189326
LINKS
EXAMPLE
Some solutions for n=3
..0....0....1....0....1....1....1....0....1....1....0....1....1....0....1....1
..1....1....1....1....1....1....1....1....1....1....3....1....3....1....1....1
..1....1....1....1....1....1....1....1....1....2....3....1....3....1....1....2
..1....1....1....2....1....2....1....1....1....2....3....1....3....1....2....3
..1....1....2....2....1....2....1....1....1....2....3....1....3....2....3....3
..1....1....2....2....2....2....2....2....2....3....3....1....3....2....3....3
..2....1....3....3....2....3....2....3....3....3....3....2....3....2....3....3
..2....2....3....3....2....3....3....3....3....3....3....2....3....3....3....3
..3....3....3....3....3....3....3....3....3....3....3....3....3....3....3....3
CROSSREFS
Sequence in context: A012696 A012392 A009819 * A230937 A018951 A019064
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 20 2011
STATUS
approved

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Last modified May 23 20:54 EDT 2024. Contains 372765 sequences. (Running on oeis4.)