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A199844 Number of -5..5 arrays x(0..n-1) of n elements with zero sum and no element more than one greater than the previous 1
1, 6, 25, 103, 399, 1532, 5754, 21383, 78735, 288580, 1053894, 3840866, 13981403, 50874249, 185128907, 673970102, 2455319377, 8952722626, 32676307483, 119391572211, 436711281979, 1599194641093, 5862625449021, 21515851244159 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A199847

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..186

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Sequence in context: A037537 A253220 A037481 * A267536 A029871 A188178

Adjacent sequences:  A199841 A199842 A199843 * A199845 A199846 A199847

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 11 2011

STATUS

approved

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Last modified July 25 07:08 EDT 2021. Contains 346284 sequences. (Running on oeis4.)