55944

Appears in sequences

• Expansion of theta series of {E_7}* lattice in powers of q^(1/2).at n=44A003781
• Expansion of theta series of E_7 lattice in powers of q^2.at n=11A004008
• Nonzero coefficients in theta series of {E_7}* lattice.at n=22A030443
• Sums of 4 distinct powers of 6.at n=34A038480
• Numbers with prime factorization p*q*r^3*s^3 (where p, q, r, s are distinct primes).at n=31A190108
• Number of (n+1)X5 0..2 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases.at n=10A207046
• Smallest area A of Heron triangles with sides (a, b, c) in arithmetic progression of the form b - d(n), b, b + d(n), where d(n) = A091998(n) = 12*n +- 1.at n=37A229098
• The Szeged index of the triangle-shaped benzenoid T_n (see Fig. 5.7 of the Diudea et al. reference).at n=5A245833
• Numbers n for which there exists k > n such that A000203(k) = A000203(n) and A007947(k) = A007947(n), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n.at n=11A255334
• a(n) = n*(n + 5)*(n + 10)*(n + 15)/24.at n=27A264446
• a(n) = Sum_{k=0..floor(n/3)} binomial(k+3,3) * binomial(k,n-3*k)^2.at n=23A377150