33097

Appears in sequences

• G.f.: (1-2*x^2)/(1-x-2*x^2-x^3).at n=15A108122
• a(n)= +a(n-3) +2*a(n-6) +a(n-9).at n=41A109531
• Numbers n such that 6*p(n)-1 and 6*p(n)+1 are twin primes and 6*p(n+1)-1 and 6*p(n+1)+1 are also twin primes with p(n) = n-th prime.at n=36A126655
• Products (semiprimes) of two distinct double-safe primes.at n=14A157356
• Number of binary strings of length n with no substrings equal to 000, 001, or 010.at n=26A164316
• a(n) = -1 - 2*n + n^2 + 2*n^3 + n^4.at n=13A165568
• a(2n)=A165568(n). a(2n+1)=A165563(n).at n=26A171733
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 163", based on the 5-celled von Neumann neighborhood.at n=36A270455
• a(n) = (3 + 2*n - 3*n^2 + 4*n^3 - 3*((-1 + n) mod 2))/6.at n=36A304487
• Values m that allow maximum period in the Blum-Blum-Shub x^2 mod m pseudorandom number generator.at n=6A338407