988963

Properties

Appears in sequences

• Number of 0..4 arrays of length n with each element unequal to at least one neighbor, with new values introduced in 0..4 order.at n=11A221455
• a(n) is the greatest prime > a(n-1) obtained by inserting a single digit anywhere in its string of digits (including at the beginning or end), starting with a(1) = 3.at n=5A389723
• Prime numbersat n=77704