124832

Appears in sequences

• Number of conjugacy classes of the symmetric group S_n when conjugating only by even permutations.at n=46A242101
• a(n) = n! * Laguerre(n, 3*n, -n).at n=4A295407
• a(n) = n! * Laguerre(n, n*(n-1), -n).at n=4A295418