3459600

Appears in sequences

• Permanent of "coprime?" matrix.at n=13A005326
• a(n) = (2*n*(n+1))^2.at n=30A060300
• Values of n such that the perfect deficiency (A109883) of n and n+1 are both squares.at n=8A110278
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=21A208551
• Number of permutations tau of {1,...,n} such that k^4 + tau(k)^4 is prime for every k = 1,...,n.at n=21A321611
• Primitives exponential abundant numbers that are not primitives exponential unitary abundant.at n=28A391086
• Primitive exponential Zumkeller numbers that are not primitive exponential unitary Zumkeller numbers.at n=30A391091