52993

Appears in sequences

• a(n) = smallest index m such that smallest prime factor of m-th triangular number is prime(n).at n=44A226442
• Number of (n+2)X(4+2) 0..1 arrays with each row divisible by 5 and each column divisible by 7, read as a binary number with top and left being the most significant bits.at n=5A262755
• T(n,k) = Number of (n+2) X (k+2) 0..1 arrays with each row divisible by 5 and each column divisible by 7, read as a binary number with top and left being the most significant bits.at n=41A262759
• Number of (6+2)X(n+2) 0..1 arrays with each row divisible by 5 and each column divisible by 7, read as a binary number with top and left being the most significant bits.at n=3A262763
• Numbers whose septenary, octal and nonary representations are prime when read in decimal.at n=34A281252
• Numbers n such that prime(n) contains a substring of all the prime digits in order, i.e., "2357".at n=25A295708