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A188273 Number of nondecreasing strings of numbers x(i=1..n) in -5..5 with sum x(i)^3 equal to 0. 1
1, 6, 6, 21, 21, 62, 68, 170, 216, 450, 644, 1154, 1752, 2850, 4364, 6679, 10023, 14742, 21454, 30667, 43335, 60506, 83372, 113948, 153702, 205870, 272696, 358636, 467554, 605084, 777626, 992267, 1258507, 1586004, 1987460, 2476849, 3070137, 3787452 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 5 of A188277.
LINKS
EXAMPLE
Some solutions for n=8, k=5:
.-3...-4...-4...-5...-3...-4...-5...-5...-3...-3...-4...-5...-1...-4...-5...-4
.-3...-4...-4...-1...-3...-2...-3...-4...-2...-2...-3...-3....0...-3...-2...-4
.-2...-1...-2...-1...-3...-2....0...-3...-2...-2....0...-3....0...-3...-1...-3
.-1....0....1...-1...-2...-1....2....0...-2....0....0...-1....0...-3....2...-3
.-1....0....1....0....2....0....2....0....2....0....0....1....0...-2....2...-2
.-1....1....1....0....3....3....2....3....2....2....0....3....0....1....3....1
..1....4....2....4....3....3....4....4....2....2....3....3....0....3....3....4
..4....4....5....4....3....3....4....5....3....3....4....5....1....5....4....5
CROSSREFS
Sequence in context: A339338 A198340 A189980 * A185786 A341245 A178822
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 26 2011
STATUS
approved

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Last modified July 22 07:42 EDT 2024. Contains 374481 sequences. (Running on oeis4.)