75689

Properties

Appears in sequences

• Number of permutations of length n which avoid the patterns 2143, 2341, 3214.at n=10A116779
• Primes of the form 10*k^2 - 1.at n=15A143828
• G.f.: (1+x)^(2*g)*(1+x^3)^(3*g)/((1-x^2)*(1-x^4))-x^(2*g)*(1+x)^4/((1-x^2)*(1-x^4)) for g=3.at n=32A199629
• Prime numbersat n=7457