132352

Appears in sequences

• Table by antidiagonals of T(n,k) = 2*n*T(n,k-1) - n^2*T(n,k-2) + T(n,k-4) starting with T(n,1) = 1.at n=58A073135
• Number of symmetric and correlation-immune Boolean functions of n variables.at n=29A210571
• Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of the consecutive step pattern up, down, up, down; triangle T(n,k), n>=0, 0<=k<=max(0,floor((n-3)/2)), read by rows.at n=16A230797
• Number of permutations of [n] with exactly one occurrence of the consecutive step pattern up, down, up, down.at n=9A230832
• a(n) = 2^(n-1)*(2^n+5).at n=9A256873
• Number of permutations of [n] having two cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.at n=9A346317
• a(n) = Sum_{k=0..floor(n/3)} 2^k * binomial(2*k,2*n-6*k).at n=23A387763