OFFSET
1,1
FORMULA
Interpolate a(n)=-2*n^2+9*n+115 offset 0 & b(n)=2*n^2-7*n+137 offset 0. Add 34 as a leader. Binomially transform. [From Al Hakanson (hawkuu(AT)gmail.com), Jun 08 2009]
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Al Hakanson (hawkuu(AT)gmail.com), Apr 20 2009
STATUS
approved