43823

Appears in sequences

• [ exp(1/12)*n! ].at n=7A030937
• Least m such that P - m is prime, where P is the n-th perfect number.at n=25A078097
• a(1)=3; for n > 1, a(n) = 1 + a(n-1) + gcd( a(n-1)*(a(n-1)+2), A073829(a(n-1)) ).at n=38A167053
• Expansion of f(-x^3, -x^5) * f(x^3, x^13) / (f(-x, -x^2) * f(-x^8, -x^16)) in powers of x where f(, ) is Ramanujan's general theta function.at n=49A258939
• Expansion of Product_{k>=1} (1 - x^(10*k))/(1 - x^k).at n=42A261776