32201

Appears in sequences

• a(n) = n*(11*n^2 - 5)/6.at n=26A004467
• Number of n-dimensional partitions of 5.at n=25A008779
• Numbers k such that the continued fraction for sqrt(k) has period 79.at n=23A020418
• a(n+1) = a(n) op n, where op is successively +, *, -.at n=16A047908
• Numbers k such that sigma(phi(sigma(k))) = phi(sigma(phi(k))).at n=20A067160
• G.f. satisfies: A(x) = (1+x) * A(x^2)*A(x^3)*A(x^4)*...*A(x^n)*...at n=37A129373
• Sum_{n>=0} a(n) * x^n / n!^2 = exp( Sum_{n>=1} prime(n) * x^n / n!^2 ).at n=5A365106
• Indices k such that the determinant of the 3 X 3 Hankel matrix of consecutive primes starting at prime(k) is 0.at n=30A392523