866608

Appears in sequences

• 100000000n+1, 100000000n+3, 100000000n+7, 100000000n+9 are all primes.at n=29A064967
• Number of nondecreasing -n..n vectors of length 7 whose dot product with some other -n..n vector equals 7.at n=9A226346
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 270", based on the 5-celled von Neumann neighborhood.at n=10A271088