305856

Appears in sequences

• Odd cubes written backwards and sorted.at n=28A107314
• Triangle read by rows: T(n,k) is the number of derangements of {1,2,...,n} having genus k (see first comment for definition of genus).at n=49A178514
• a(n) = practical(2^n) where practical(n) is the n-th practical number (A005153).at n=15A225316