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A184846 Number of strings of numbers x(i=1..n) in 0..7 with sum i*x(i)^4 equal to n*2401 0
1, 1, 2, 2, 3, 19, 76, 476, 3627, 30780, 191122, 1143877, 7374982, 46220204, 305794362, 1874323984, 11217509631, 68193471721 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 7 of A184848

LINKS

Table of n, a(n) for n=1..18.

EXAMPLE

All solutions for n=5

..0....7....0

..7....0....0

..7....0....0

..0....7....0

..0....0....7

CROSSREFS

Sequence in context: A230504 A265806 A049132 * A323609 A087768 A113604

Adjacent sequences:  A184843 A184844 A184845 * A184847 A184848 A184849

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 23 2011

STATUS

approved

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Last modified August 18 07:39 EDT 2019. Contains 326075 sequences. (Running on oeis4.)