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A184258 Number of strings of numbers x(i=1..3) in 0..n with sum i^3*x(i) equal to 27*n 1
1, 1, 2, 2, 2, 3, 3, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 17, 18, 20, 22, 23, 25, 27, 30, 32, 34, 37, 39, 41, 44, 46, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 82, 86, 89, 93, 97, 100, 104, 108, 113, 117, 121, 126, 130, 134, 139, 143, 147, 152, 157, 162, 167, 172, 177, 182 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Row 3 of A184257

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..998

FORMULA

Empirical: a(n)=2*a(n-1)-a(n-2)+a(n-27)-2*a(n-28)+a(n-29)

EXAMPLE

All solutions for n=5

..3....0

..3....0

..4....5

CROSSREFS

Sequence in context: A029061 A081607 A029060 * A219291 A029160 A032562

Adjacent sequences:  A184255 A184256 A184257 * A184259 A184260 A184261

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 10 2011

STATUS

approved

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Last modified March 30 20:18 EDT 2017. Contains 284302 sequences.