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A200209 Number of -n..n arrays x(0..7) of 8 elements with zero sum and nonzero second and third differences 1
192, 16092, 217946, 1453304, 6428538, 21939870, 62361448, 154585536, 345422978, 710643132, 1366075526, 2483991350, 4309599382, 7180688000, 11557570298, 18048274072, 27438624488, 40742003838, 59232871060, 84489363024 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A200204

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..26

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A282208 A154308 A187460 * A205760 A338532 A035833

Adjacent sequences:  A200206 A200207 A200208 * A200210 A200211 A200212

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 14 2011

STATUS

approved

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Last modified May 16 02:09 EDT 2022. Contains 353687 sequences. (Running on oeis4.)