45713

Appears in sequences

• Number of Dyck n-paths with ascents and descents of length equal to 1 (mod 4).at n=23A023427
• Structured pentagonal icositetrahedral numbers (vertex structure 13).at n=16A100167
• Quotient of the decimal representation of concatenated twin primes divided by 3.at n=10A129908
• G.f. satisfies: A(x) = (1 + x*A(x)) * (1 + x^4*A(x)).at n=22A216116
• a(n) = the number of ways that at least two distinct primes <= prime(n) sum to a prime.at n=16A262765
• The growth series for the affine Weyl group F_4.at n=45A266784