3051757812

Appears in sequences

• Catapolyoctagons (see Cyvin et al. for precise definition).at n=14A121177
• a(n) = (5^n - 1)/2.at n=14A125831
• Number of compositions of odd natural numbers into 7 parts <=n.at n=24A191900
• Moore lower bound on the order of a (6,g)-cage.at n=25A198306
• a(n) = 5*a(n-2) + 2, a(0) = 1, a(1) = 2.at n=27A238366