[seqfan] Guess the formula http://oeis.org/A076264

Ron Hardin rhhardin at att.net
Tue Nov 22 19:59:25 CET 2011

A formula for T(n.k) http://oeis.org/A076264 might be guessable, after the 
formula for 

column 2 given in http://oeis.org/A076264

a(n)=sum{k=0..floor(n/3), binomial(n-2k, k)(-1)^k*3^(n-3k)}

with the right generalization (I didn't stumble into it though).

 rhhardin at mindspring.com
rhhardin at att.net (either)

More information about the SeqFan mailing list