76847

Properties

Appears in sequences

• Number of nX3 1..3 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order.at n=11A166801
• Let S be the binary string consisting of the first n digits of (100101)*; a(n) = number of ways of writing S as a product of palindromes.at n=29A215255
• Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum equal to 0 3 5 6 or 8.at n=9A252345
• Prime numbers preceded by two consecutive numbers which are products of four distinct primes (or tetraprimes).at n=36A361796
• Prime numbersat n=7556