3067719

Appears in sequences

• Number of n X 3 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=22A281760
• Semiprimes k such that k is congruent to 4 modulo k's index in the sequence of semiprimes.at n=18A357808