37333

Appears in sequences

• a(n) is the concatenation of n and 9n.at n=36A009474
• Number of connected chord diagrams of degree n.at n=7A018225
• Strong pseudoprimes to base 58.at n=25A020284
• Near-repdigit semiprimes with 3 as repeated digit.at n=34A105984
• Numbers containing only digits 3 or 7 in decimal representation.at n=38A143967
• Number of (n+1) X (5+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=3A250809
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=31A250812
• Number of (4+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=4A250816
• Numbers k such that 3^(k-1) == 2^(k-1) !== 1 (mod k).at n=34A285300
• Numbers k such that 2^4 * 3^k - 1 is prime.at n=17A385115