104928

Appears in sequences

• Expansion of (theta_3(z)*theta_3(15z) + theta_2(z)*theta_2(15z))^4.at n=42A028628
• a(n)=a(n-1)+a(n-2)-d, where d=a(n/2) if n is even, else d=0; 2 initial terms.at n=28A050192
• Triangle read by rows: T(n, k) is the number of squarefree integers x such that x<=primorial(n) and omega(n) = k with 0<=k<=n.at n=31A261215
• a(n) = 16*3^n - 48.at n=7A277107
• The second Zagreb index of the Aztec diamond AZ(n) (see the Ramanes et al. reference, Theorem 2.2).at n=39A292345