63272domain: NAppears in sequencesNumber of terms in 5th derivative of a function composed with itself n times.at n=31A022815Numbers n such that S(n) = 0, where S(n) = (S(n-1) + A000040(n+1))*(-1)^n; S(0)=0, n >= 1.at n=34A131693Number of permutations p of [n] such that | |p(i) - p(i-1)| - |p(i+1) - p(i)| | = 1.at n=23A338766