2492028

Appears in sequences

• Denominators of coefficients in Stirling's expansion for log(Gamma(z)).at n=14A046969
• Triangular numbers whose sum of divisors is also a triangular number.at n=6A083674
• G.f. A(x) satisfies A(x) = 1 + x*A(x)^2*(A(x) + A(-x))/2.at n=12A217138
• G.f. A(x) satisfies A(x)^2 = 1 + 4*x*A(x)^6.at n=6A245113
• Numbers k such that A122111(k) [conjugated prime factorization of k] is one of Ore's Harmonic numbers (in A001599).at n=40A336317