1326120

Appears in sequences

• From applying the "rational mean" to the number e.at n=9A013999
• a(n) = 2*a(n-2)+4*a(n-4)+a(n-6), n>9.at n=27A107856
• Triangle read by rows: T(n,k) is the number of permutations of [n] having k adjacent cycles (0 <= k <= n). An adjacent cycle is a cycle of the form (i, i+1, i+2, ...) (including 1-element cycles).at n=56A184184