111885

Appears in sequences

• Integers k such that k*28*c + 1 is prime for c = 1, 2, 4, 7 and 14.at n=32A067199
• Numbers k such that k and k^2 use only the digits 1, 2, 3, 5 and 8.at n=32A136976
• Half the number of 0..n arrays of length 4 with second differences nonzero.at n=20A212783