91577

Properties

Appears in sequences

• n is equal to the number of 4s in all numbers <= n written in base 6.at n=8A014892
• Primes p such that 8p +1 and (p-1)/8 are primes.at n=28A085958
• Number of (2+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7.at n=9A252681
• Prime numbersat n=8854