1375920

Appears in sequences

• One half of third column of triangle A075181.at n=6A075183
• Location of records in A099564.at n=20A099565
• Triangle T(n, k, q) = c(n,q)/( c(k,q)*c(n-k,q) ), where c(n, q) = Product_{j=1..n} f(n, q), f(n, q) = ( (1-q^n)*(1+(-1)^n) + n!*(1-(-1)^n) )/2, and q = 4, read by rows.at n=30A172429
• Triangle T(n, k, q) = c(n,q)/( c(k,q)*c(n-k,q) ), where c(n, q) = Product_{j=1..n} f(n, q), f(n, q) = ( (1-q^n)*(1+(-1)^n) + n!*(1-(-1)^n) )/2, and q = 4, read by rows.at n=33A172429
• Triangular array: row n gives the coefficients of the polynomial p(n,x) defined in Comments.at n=31A249253