367616

Appears in sequences

• Number of 5-tuples of different integers from [ 1,n ] with no global factor.at n=35A015640
• Number of 5-tuples of different integers from [ 2,n ] with no global factor.at n=35A015641
• Number of permutations p of [n] such that | |p(i) - p(i-1)| - |p(i+1) - p(i)| | = 1.at n=27A338766
• Numbers k such that the smallest m such that k | psi(m) is even, psi = A002322.at n=33A341886