OFFSET
0,1
FORMULA
a(n+1) = ((70*n^4+1407*n^3+10520*n^2+34707*n+42660)*a(n))/(35*n^3+336*n^2+913*n +612) with a(0) = 34.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Johannes W. Meijer, May 24 2009
STATUS
approved