OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (20,-131,340,-300).
FORMULA
a(n) = (3*10^(n+3) - 28*5^(n+3) + 60*3^(n+3) - 35*2^(n+3))/840. - Yahia Kahloune, May 22 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved