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A184301 Number of strings of numbers x(i=1..n) in 0..7 with sum i^3*x(i)^2 equal to n^3*49 0
1, 1, 1, 1, 4, 29, 82, 819, 4062, 21900, 97458, 711528, 3745075, 22185248, 113394385, 740376712, 3928605875 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Column 7 of A184303

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

All solutions for n=5

..5....6....3....0

..0....7....1....0

..0....6....6....0

..5....5....7....0

..6....5....4....7

CROSSREFS

Sequence in context: A255635 A280854 A042379 * A192025 A288542 A024394

Adjacent sequences:  A184298 A184299 A184300 * A184302 A184303 A184304

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 10 2011

STATUS

approved

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Last modified September 28 04:37 EDT 2020. Contains 337392 sequences. (Running on oeis4.)