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A183924 Number of nondecreasing arrangements of n numbers in -6..6 with sum zero and sum of squares not greater than n*42/3 1
1, 4, 17, 58, 163, 434, 1061, 2414, 5166, 10526, 20487, 38395, 69532, 121942, 207964, 346094, 562655, 895871, 1399654, 2148160, 3243905, 4825785, 7078462, 10248911, 14660878, 20733091, 29009482, 40186573, 55143962, 74997918, 101147802 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A183927

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..71

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A264218 A121327 A317757 * A255271 A293798 A027075

Adjacent sequences: A183921 A183922 A183923 * A183925 A183926 A183927

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 2011

STATUS

approved

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Last modified November 29 02:51 EST 2022. Contains 358421 sequences. (Running on oeis4.)