53585

Appears in sequences

• Centered dodecahedral numbers.at n=17A005904
• Strong pseudoprimes to base 34.at n=19A020260
• Triangle T(n,k) read by rows: T(n,k) = the number of ways of seating n people around a table for the second time so that k pairs are maintained. Reflected and rotated sequences are counted as one.at n=57A326411
• Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 3 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=3 and b=-1, respectively.at n=31A337626
• a(n) = Sum_{k=0..floor(2*n/5)} binomial(2*k,2*n-5*k).at n=27A392429
• Expansion of 1 / ((1-x)^5 - x^7).at n=16A392546