783408

Appears in sequences

• Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 13 (most significant digit on right, least significant zeros not written).at n=21A061942
• Number of freely-braided hexagon-avoiding permutations in S_n; the freely-braided hexagon-avoiding permutations are those that avoid 3421, 4231, 4312, 4321, 46718235, 46781235, 56718234 and 56781234.at n=12A129777