19219200

Appears in sequences

• Number T(n,k) of permutations on n elements with exactly k 3-cycles; triangle read by rows.at n=32A186526
• Numerator of the harmonic mean of the first n composite numbers.at n=15A250132
• Least k such that d(k*n) = d(n!) (d = A000005).at n=11A274795
• Number of defective (binary) heaps on n elements where one ancestor-successor pair does not have the correct order.at n=14A324062