1078800

Appears in sequences

• Number of tree-rooted planar maps with 3 faces and n vertices and no isthmuses.at n=28A006470
• (1+e)-harmonic numbers: harmonic mean of (1+e)-divisors is an integer.at n=34A053783
• Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to n-4.at n=25A180294
• Number of 4 X n 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=11A224002
• Values of Euler's totient phi for A050498.at n=24A339883