585937

Appears in sequences

• Sum_{T(i,j)}, 0<=j<=i, 0<=i<=n, where T is the array in A026386.at n=15A026396
• a(n) = (3*5^n - 1)/2.at n=8A057651
• a(n) = Sum_{k=0..n} C(floor((n+1)/2),floor((k+1)/2))*2^k.at n=16A097162
• Triangular array: T(n,k) = T(n,n) = 1, T(n,k) = 5*T(n-1, k-1) + 2*T(n-1, k), read by rows.at n=53A119727
• Moore lower bound on the order of a (6,g)-cage.at n=14A198306
• a(n) = 5*a(n-2) + 2, a(0) = 1, a(1) = 2.at n=16A238366
• Numbers k such that 6*k + 1 is a prime that can be written as p*q + 2, with p and q being consecutive primes.at n=33A342564
• Record terms of A349664.at n=43A349665