64410

Appears in sequences

• Graham-Sloane-type lower bound on the size of a ternary (n,3,5) constant-weight code.at n=24A030505
• C(2n-1,n-1) mod n^4.at n=19A099908
• Numbers k such that k and k^2 use only the digits 0, 1, 4, 6 and 8.at n=56A136861
• Numbers n whose sum of divisors equals the sum of divisors of 2n+1.at n=19A272553
• a(n) = binomial(2*c-1, c-1) (mod c^4), where c is the n-th composite number.at n=10A298946