46405

Appears in sequences

• Expansion of 1/((1-7x)(1-12x)).at n=4A016184
• Becomes prime after exactly 8 iterations of f(x) = sum of prime factors of x.at n=25A047827
• Becomes prime or 4 after exactly 10 iterations of f(x) = sum of prime factors of x.at n=5A048132
• a(n) Sum_{d|n, 1<=d<n} d*A000084(d).at n=19A058352
• 1000000n+1, 1000000n+3, 1000000n+7, 1000000n+9 are all primes.at n=5A064965
• Row sums of the triangle A322071.at n=21A322072
• Numbers k such that A339549(k) = A339549(k+1).at n=28A339550
• For 1<=x<=n, 1<=y<=n, write gcd(x,y) = u*x+v*y with u,v minimal; a(n) = sum of the values of u^2+v^2.at n=32A345434