3974400

Appears in sequences

• The number of binary pattern classes in the (2,n)-rectangular grid with 6 '1's and (2n-6) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=25A228581
• Number of chiral pairs of rows of length 5 using up to n colors.at n=24A321672
• Numbers k such that (k + k')' = k' + k'', where ' denotes the arithmetic derivative A003415.at n=31A376844