66499

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(207).at n=9A041384
• Numerators of continued fraction convergents to sqrt(828).at n=7A042598
• Primes having only {4, 6, 9} as digits.at n=20A107666
• Let f(n) = exp(Pi*sqrt(n)); sequence gives numbers n such that f(n) - floor(f(n)) < 1/10^4.at n=12A127029
• Number of n X 4 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.at n=4A231519
• T(n,k)=Number of nXk 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.at n=32A231523
• Number of 5Xn 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.at n=3A231527
• Number of compositions (ordered partitions) of n into distinct parts >= 4.at n=50A339102
• Array read by diagonals downwards: A(n,k) for n>=2 and k>=0 is the number of (n,k)-polyominoes counting as distinct different formations of transparent squares.at n=42A381057
• Prime numbersat n=6630