12236830domain: NAppears in sequencesExpansion of g.f. (1+z)^(24)/(1-z).at n=13A171445a(n) = Sum_{k=0..13} binomial(n, k).at n=24A219676a(n) = Sum_{i=0..n+1} binomial(2*n,n-i+1).at n=12A277924