205108

Appears in sequences

• G.f. A(x) where A000081(x) = x*A(A000081(x)).at n=24A185168
• Number of n X 2 binary arrays whose sum with another n X 2 binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order.at n=32A225894
• a(n) = n^4 - 3*n^3 + 6*n^2 - 5*n + 2 (n >= 1).at n=21A304160