1827904

Appears in sequences

• Numbers of the form (8^i)*(13^j), with i, j >= 0.at n=25A107764
• a(n) = 4*n^4.at n=26A141046
• 1/5 of the number of 5-colorings of an n X n array symmetric about both diagonal and antidiagonal.at n=5A145244
• Numbers with 35 divisors.at n=9A175745
• Numbers with prime factorization p^4*q^6.at n=9A190464
• Number of subsets of the set {1,2,...,n} which do not contain two elements whose difference is 6.at n=27A208743
• Squares which have one or more occurrences of exactly seven different digits.at n=23A235722
• Perfect powers of Achilles numbers.at n=18A383394
• a(n) = n^4*tau(n).at n=25A386013
• Powers k^m, m > 1, where k is an Achilles number such that A053669(k) < A006530(k).at n=8A389341
• Powers k^m, m > 1, where k is an Achilles number that is not a product of primorials.at n=12A389814
• Squares of Achilles numbers.at n=16A390435
• Powers k^m, m > 1, where k is an even Achilles number.at n=15A391376