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A055832 T(n,n-5), where T is the array in A055830. 1
8, 30, 73, 145, 255, 413, 630, 918, 1290, 1760, 2343, 3055, 3913, 4935, 6140, 7548, 9180, 11058, 13205, 15645, 18403, 21505, 24978, 28850, 33150, 37908, 43155, 48923, 55245, 62155, 69688, 77880, 86768, 96390 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,1

LINKS

Table of n, a(n) for n=5..38.

Index entries for linear recurrences with constant coefficients, signature (5,-10,10,-5,1).

FORMULA

a(n) = (n-3)*(n-4)*(n^2+13*n+6)/24, n>4, sign corrected Mar 13 2016.

G.f.: -x^5*(3*x-4)*(x-2) / (x-1)^5 . - R. J. Mathar, Mar 13 2016

CROSSREFS

Sequence in context: A184323 A004639 A131769 * A195753 A100175 A063489

Adjacent sequences:  A055829 A055830 A055831 * A055833 A055834 A055835

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 28 2000

STATUS

approved

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Last modified March 28 22:27 EDT 2017. Contains 284249 sequences.