40377

Appears in sequences

• Pisot sequence E(8,10), a(n) = floor( a(n-1)^2/a(n-2) + 1/2 ).at n=34A010916
• a(n) = 49n^2 - 28n - 20.at n=28A118058
• n such that floor(sqrt(10^(2*n-1))) is (probably) prime.at n=9A136583
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+287)^2 = y^2.at n=29A205644
• Expansion of (6*x^5+5*x^4+4*x^3+3*x^2+2*x+8)/(1-x-x^6).at n=34A275627