A184252 - OEIS

A184252

Number of strings of numbers x(i=1..n) in 0..4 with sum i^3*x(i) equal to n^3*4

1, 1, 2, 3, 5, 20, 47, 129, 427, 1196, 3482, 10769, 30174, 86121, 252178, 694285, 1923825, 5380601, 14505330, 39099516, 105522367, 278190141, 731086405, 1916631823, 4945238542, 12702253352, 32495656601, 82177529409, 206786628877

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OFFSET

1,3

COMMENTS

Column 4 of A184257

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..30

EXAMPLE

All solutions for n=5

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

..2....4....1....0....0

..4....1....4....2....0

..0....1....4....3....0

..3....3....1....2....4

CROSSREFS

Sequence in context: A321084 A054798 A127078 * A228833 A320950 A291673

Adjacent sequences: A184249 A184250 A184251 * A184253 A184254 A184255

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 10 2011

STATUS

approved