160624

Appears in sequences

• Numbers k such that k and k + 1 are both of the form p*q^4 where p and q are distinct primes.at n=17A215197
• Total number of Y shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.at n=7A247745
• Number of maximal cubefree binary words of length n.at n=39A282133
• Number of maximal subsets of {1..n} such that every ordered pair of distinct elements has a different difference.at n=38A325879
• Numbers k such that k and k+1 both have the same number of squarefree divisors and powerful divisors.at n=36A360904