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A190034 Number of nondecreasing arrangements of n+2 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 three 1
2, 6, 10, 27, 33, 107, 80, 349, 264, 735, 357, 2809, 736, 2565, 3262, 10997, 1258, 17921, 2313, 34880, 12649, 17448, 4348, 211004, 15839, 42957, 49372, 169716, 10846, 430082, 11210, 1004561, 85127, 101536, 102904, 2715826, 20183, 190249, 208100 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A190041
LINKS
EXAMPLE
All solutions for n=3
..3....0....1....1....1....1....0....1....2....1
..3....3....3....1....1....1....1....2....3....2
..3....3....3....1....2....2....1....2....3....3
..3....3....3....2....2....3....2....3....3....3
..3....3....3....3....3....3....3....3....3....3
CROSSREFS
Sequence in context: A218791 A320429 A319014 * A119459 A291463 A365542
KEYWORD
nonn
AUTHOR
R. H. Hardin May 04 2011
STATUS
approved

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Last modified May 26 13:25 EDT 2024. Contains 372826 sequences. (Running on oeis4.)