28208

Appears in sequences

• Numbers k such that sopfr(k) = sopfr(k - sopfr(k)).at n=28A050781
• (prime(n-1) + 1)*(prime(n+1) - 1).at n=37A087105
• a(n) = 16*n*(n+2).at n=41A114444
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 0, 1), (0, 1, -1), (1, -1, 0)}.at n=11A148102
• a(n) = 441*n^2 - 2*n.at n=7A157737
• a(n) = 64*n^2 - 16.at n=20A157913
• Number of (n+1)X6 0..1 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in all its horizontal and vertical neighbors.at n=13A205069
• a(n) = prime(n)^3 - prime(n) * prime(n^2).at n=13A291542