77141

Properties

Appears in sequences

• Smallest number sandwiched between two numbers having exactly n prime divisors.at n=4A088075
• Smallest prime sandwiched between two numbers having exactly n prime divisors.at n=4A088076
• Let f(0) = 0, f(1) = 1 and for n > 1 let f(n) = (-1)*sum((-1)^(n+r)*f(r),r=0..n-2)/(n*(n-1)); sequence gives numerator of f(n).at n=12A090295
• Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=7A207686
• Smallest number k such that k^2 - 1 has exactly n distinct prime factors.at n=8A219017
• Primes of form n^2 + 14641.at n=30A256839
• Prime numbersat n=7579