G.f.: exp( Sum_{n>=1} binomial(12*n-1, 6*n) * x^n/n ).
A213406
G.f.: exp( Sum_{n>=1} binomial(12*n-1, 6*n) * x^n/n ).
Terms
- a(0) =1a(1) =462a(2) =782761a(3) =1841287756
External references
- oeis: A213406
A213406
G.f.: exp( Sum_{n>=1} binomial(12*n-1, 6*n) * x^n/n ).