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A188274 Number of nondecreasing strings of numbers x(i=1..n) in -6..6 with sum x(i)^3 equal to 0 1
1, 7, 7, 30, 30, 106, 114, 346, 422, 1070, 1482, 3166, 4778, 8954, 14026, 23987, 37639, 60443, 93145, 143096, 214982, 319514, 467648, 676718, 966748, 1367076, 1911186, 2647754, 3631406, 4939378, 6659970, 8910883, 11832157, 15599235, 20427293 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A188277

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=8 k=6

.-3...-4...-6...-2...-6...-5...-5...-5...-4...-4...-3...-5...-6...-5...-6...-6

.-2...-3...-2...-2...-6...-5...-4...-4...-3...-1...-3...-4...-5...-4...-4...-6

..0....1....0...-2...-5...-3...-4...-3...-3...-1....0....0...-4...-3...-4...-6

..0....1....0....0....0...-1...-3....0...-3....0....0....0...-1...-3....0....0

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

..0....3....3....2....5....3....3....3....3....1....0....0....4....3....4....6

..2....3....4....2....6....3....4....4....3....1....3....4....5....3....4....6

..3....3....5....2....6....6....6....5....4....4....3....5....6....6....6....6

CROSSREFS

Sequence in context: A299338 A246039 A186142 * A255281 A255283 A140252

Adjacent sequences:  A188271 A188272 A188273 * A188275 A188276 A188277

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 26 2011

STATUS

approved

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Last modified August 24 03:51 EDT 2019. Contains 326260 sequences. (Running on oeis4.)