69192
domain: N
Appears in sequences
- Coordination sequence for D_18 lattice.at n=2A107513
- Powerful numbers (definition 1) sandwiched between twin primes.at n=13A113839
- Averages of twin prime pairs k such that k*2 and k/2 are squares.at n=11A154670
- Numbers of the form p^3*q^2*r^2 where p, q, and r are distinct primes.at n=29A179695
- Number of length 4+1 0..n arrays with the sum of the cubes of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=20A250231
- Number of permutations of [n] with increasing cycle sizes.at n=9A286075
- Number of partitions of n with up to seven distinct kinds of 1.at n=30A320694
- Refactorable numbers that are twice a square.at n=44A376114
- a(n) is the (2^n)-th powerful number.at n=9A382790