383473

Appears in sequences

• Numbers k such that 1000000000k+1, 1000000000k+3, 1000000000k+7, 1000000000k+9 are all primes.at n=17A064968
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 3,2 4,2 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.at n=9A155416
• Odd numbers that are the concatenation of a prime p and the p-th nonprime nonnegative integer.at n=21A155740