6006000
domain: N
Appears in sequences
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 6 and 7.at n=31A136892
- Triangle read by rows: T(n,k) = binomial(2*n,k)*Stirling2(2*n-k,n).at n=42A226703
- Expansion of e.g.f. 1 / (1 - x + x^2/2 - x^3/3).at n=11A371605
- Numbers with exactly two distinct base-10 digits that have more divisors than any smaller such number.at n=22A384969