133872

Appears in sequences

• Binary XOR of 3^k as k varies from 0 to n.at n=11A199397
• Number of length n+5 0..3 arrays with no three disjoint pairs in any consecutive six terms having the same sum.at n=3A248443
• T(n,k)=Number of length n+5 0..k arrays with no three disjoint pairs in any consecutive six terms having the same sum.at n=18A248448
• Number of length 4+5 0..n arrays with no three disjoint pairs in any consecutive six terms having the same sum.at n=2A248452
• Number of vector differences between two permutations of order n, up to multiplication by positive rational numbers and permutations of the components.at n=10A384035
• a(n) is the least k such that k - sopfr(k) has exactly n prime factors, counted with multiplicity.at n=17A386598