130914

Appears in sequences

• Number of terms in n-th derivative of a function composed with itself 6 times.at n=13A022814
• Number of permutations p() of 1..n+4 with centered difference p(i+1)-p(i-1) < 0 exactly 3 times.at n=4A180881
• Number of permutations p() of 1..n+5 with centered difference p(i+1)-p(i-1) < 0 exactly 4 times.at n=3A180882
• Array read by antidiagonals: T(n,k)=number of permutations p() of 1..n+k with centered difference p(i+1)-p(i-1) < 0 exactly k-1 times.at n=31A180887
• Array read by antidiagonals: T(n,k)=number of permutations p() of 1..n+k with centered difference p(i+1)-p(i-1) < 0 exactly k-1 times.at n=32A180887