a(n) = Sum_{k=0..n} binomial(6*n+1,k).
A385497
a(n) = Sum_{k=0..n} binomial(6*n+1,k).
Terms
- a(0) =1a(1) =8a(2) =92a(3) =1160a(4) =15276a(5) =206368a(6) =2835200a(7) =39419864a(8) =553000876a(9) =7811733392a(10) =110962066532
External references
- oeis: A385497