64491

Appears in sequences

• Numbers k such that k, k+1, k+2 and k+3 are products of 4 primes.at n=32A124728
• Expansion of e.g.f. exp(sin(x)+sin(x)^2).at n=10A189420
• Expansion of 1/(1 - Sum_{i>=1, j>=1} i*j*x^(i*j)).at n=10A318493
• Squarefree part of numerator of the squared area of the Heronian triangle with sequential prime sides whose shortest leg is prime(n).at n=8A334177