91939

Properties

Appears in sequences

• Irregular triangle E(n,g) counting not necessarily connected 3-regular simple graphs on 2n vertices with girth exactly g.at n=24A185130
• Number of, not necessarily connected, 3-regular simple graphs on 2n vertices with girth exactly 4.at n=10A185134
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 6.at n=32A341087
• Primes where every other digit is 9 starting with the rightmost digit, and no other digit is 9.at n=27A348561
• Prime numbersat n=8880