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A184239 Number of strings of numbers x(i=1..n) in 0..8 with sum i^2*x(i)^2 equal to n^2*64 0
1, 1, 1, 1, 5, 88, 571, 3719, 32608, 229978, 1944146, 12785619, 92175303, 562796025, 3586783831, 21282332690, 123857108265, 711033477793, 3887110307164, 21647422702326, 114426238905952, 619561557445710 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Column 8 of A184240

LINKS

Table of n, a(n) for n=1..22.

EXAMPLE

All solutions for n=5

..0....4....4....6....0

..0....2....8....7....0

..8....4....4....6....0

..8....8....7....3....0

..0....4....4....6....8

CROSSREFS

Sequence in context: A297529 A300135 A221465 * A054954 A266064 A106971

Adjacent sequences:  A184236 A184237 A184238 * A184240 A184241 A184242

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 10 2011

STATUS

approved

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Last modified September 20 00:58 EDT 2021. Contains 347577 sequences. (Running on oeis4.)