67264

Appears in sequences

• Trajectory of 1 under map n->21n+1 if n odd, n->n/2 if n even.at n=11A033967
• Trajectory of 3 under map n->21*n+1 if n odd, n->n/2 if n even.at n=18A037108
• T(n,k)=number of nXk binary matrices with rows and then columns in strictly increasing order as binary numbers.at n=72A180989
• Number of (n+1)xn binary matrices with rows and then columns in strictly increasing order as binary numbers.at n=5A180990
• Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock.at n=1A236135
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock.at n=4A236137
• E.g.f. A(x) satisfies A(x) = exp(x/(1+x^3)^2 * A(x)).at n=7A390216