81428

Appears in sequences

• Numbers whose base-5 representation has exactly 8 runs.at n=18A043608
• Number of n X 3 0..2 arrays with top left element 0, horizontal differences mod 3 never 1, vertical differences mod 3 never -1, and antidiagonal differences never 0.at n=8A229397
• Number of length n 1..(7+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.at n=7A254217