144939

Appears in sequences

• Number of (n+1) X (1+1) 0..4 arrays with each row and column divisible by 11, read as a base-5 number with top and left being the most significant digits.at n=11A263459
• a(n) is the least start of a run of exactly n successive squarefree numbers (A005117) that are odd, or -1 if no such run exists.at n=10A373551