177721

Appears in sequences

• a(n) = (a(n-1) * a(n-6) + 2 * a(n-3) * a(n-4)) / a(n-7). a(1) = ... = a(7) = 1. Somos-7 variation.at n=17A064268
• Numbers n such that the average of the positive divisors of n is a Fibonacci number.at n=44A272440
• Expansion of Sum_{k>=0} x^(k*(k+1)) / Product_{j=1..k} (1 - j*x^j).at n=37A306663
• Values m that allow maximum period in the Blum-Blum-Shub x^2 mod m pseudorandom number generator.at n=22A338407