368505

Appears in sequences

• a(n)= 7*a(n-1) +5*a(n-2) -35*a(n-3) +7*a(n-4) +5*a(n-5) -a(n-6), n>10.at n=10A107477
• Expansion of Product_{k>=1} 1/(1 - phi(k)*x^k), where phi = Euler totient function (A000010).at n=28A319111