303750

Appears in sequences

• a(n) = binomial(2*n,n)*binomial(3*n,2*n)^4.at n=2A036914
• Number of 2 X 2 matrices with all elements in {0,1,...,n} and odd determinant.at n=29A210370
• Number of 2 X 2 matrices having all terms in {1,...,n} and odd determinant.at n=29A211065
• Numbers m such that, in the prime factorization of m, the product of the exponents equals the sum of prime factors and exponents.at n=27A231231
• Numbers which have identical primes in n and d(n) but are not refactorable.at n=3A235525
• a(n) = Sum_{k = 0..n} (-1)^k*binomial(k,2)^3*binomial(n,k)^3.at n=6A273631
• a(n) = A324484(n)/n.at n=15A324485