25464

Appears in sequences

• Expansion of Sum_{n>=0} (q^n / Product_{k=1..n+5} (1 - q^k)).at n=33A035301
• Triangle in A071943 with rows reversed.at n=58A108073
• Triangle of coefficients of polynomials u(n,x) jointly generated with A209161; see the Formula section.at n=52A209160
• Minimum value of (1/2)*Sum_{i=1..n} Sum_{j=1..n} Sum_{k=1..n} Sum_{l=1..n} gcd(b(i,j),b(k,l)) * ((i-k)^2+(j-l)^2) for an n X n matrix b filled with the integers 1 to n^2.at n=6A261176
• Expansion of 1/(1 + Sum_{i>=1} q^(i^2)/Product_{j=1..i} (1 + q^(2*j))).at n=39A294408