69200

Appears in sequences

• Triangle T(n,k) = 1 -A002627(k) -A002627(n-k) +A002627(n), read by rows.at n=40A176305
• G.f. satisfies A(x) = exp( Sum_{n>=1} 2^n*A(x^n)*x^n/n ).at n=8A179469