113568

Appears in sequences

• a(n) = sinh(2*arccosh(n))^2 = 4*n^2*(n^2 - 1).at n=13A173121
• Integer areas of the intangents triangle of integer-sided triangles.at n=18A231740
• a(n) = 16*n*(n+1)*(2*n+1)^2.at n=6A322677
• a(0)=0, a(1)=6 and a(n) = 26*a(n-1) - a(n-2) + 12 for n > 1.at n=4A322708
• Expansion of (-1 + Product_{k>=1} (1 + x^k)^k)^4.at n=9A341386
• Numbers such that the two adjacent integers are a prime and the square of another prime.at n=27A347194
• Numbers k such that k and k+1 are both divisible by the square of their largest prime factor.at n=30A354558