43144

Appears in sequences

• Frobenius number of the numerical semigroup generated by three consecutive pentagonal numbers.at n=15A069757
• Integer part of Gauss's Arithmetic-Geometric Mean M(2,n^5).at n=12A127766
• a(1) = 1; a(2*n) = prime(n)*a(n), a(2*n+1) = prime(n)*a(n) + a(n+1), where prime(n) is the n-th prime.at n=32A176716
• Expansion of g.f. A(x) satisfying 1 - Sum_{n>=1} (x^n - 3*A(x))^n = Product_{k>=1} (1 - x^(2*k)) * (1 + x^k - 3*A(x))^2 / (1 + x^(2*k) - 3*A(x))^2.at n=5A370343