205263418941
domain: N
Appears in sequences
- a(n) = binomial(5*n+3,n)/(n+1).at n=12A118971
- Triangle T read by rows: n-th row (n>=0) gives the non-vanishing coefficients of the polynomial q(n,x) = 2^(-n)*((x+1)^(2^n) - (x-1)^(2^n))/2.at n=38A281123
- Number of achiral dissections of a polygon into n hexagons by nonintersecting diagonals rooted at a cell.at n=24A370061