51204

Appears in sequences

• Expansion of x/(1 - 4*x + 3*x^2 - 2*x^3).at n=10A175005
• Numbers of words on alphabet {0,1,...,8} with no subwords ii, where i is from {0,1,2}.at n=5A254657
• Numbers n such that n and n+1 both have 24 divisors.at n=29A274362
• Number of pairs of orientable necklaces with n beads and up to 4 colors; i.e., turning the necklace over does not leave it unchanged. The turned-over necklace is not included in the count.at n=10A278640
• Numbers k such that k and k+1 both have the prime signature (2,1,1,1) (A189982).at n=13A336658
• Numbers that can be written as the product of two divisors greater than 1 such that the number is contained in the string concatenation of the divisors.at n=41A355790
• Numbers k such that A360327(k) = A360327(k+1) > 1.at n=9A360358
• a(n) = Sum_{k=0..floor(n/2)} binomial(k+3,4*n-8*k+3).at n=33A390040
• a(n) = Sum_{k=0..floor(3*n/8)} binomial(k,3*n-8*k).at n=53A392272