67458
domain: N
Appears in sequences
- Numbers n such that pi(n) = product of digits of n.at n=11A097220
- Numbers m such that the product of the digits of m is equal to the number of primes less than m.at n=12A117273
- Number of (n+1) X (3+1) 0..1 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=22A250724