OFFSET
1,1
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
FORMULA
a(n) = (n+5)*(n+4)*(n+3)*(n+2)*(n+1)*(n)*(175*n^6+1365*n^5+2671*n^4-2805*n^3-14735*n^2-14445*n-2466)/5443200.
The denominator of a(n) (5443200) equals the product of the first four terms of A036283 (6*60*126*120). - Johannes W. Meijer, Oct 22 2009
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Johannes W. Meijer and Nico Baken (n.h.g.baken(AT)tudelft.nl), Jun 18 2009
STATUS
approved