139307

Appears in sequences

• Number of 4-noncrossing RNA structures with arc-length => 4.at n=13A140639
• Number of n X n binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally.at n=4A188688
• Number of nX5 binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally.at n=4A188691
• T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally.at n=40A188695
• Starting from k=7, each subsequent term is the next larger odd k such that A005940(k) >= k and the ratio A005940(k)/k is nearer to 1.0 than for any previous k in the sequence.at n=3A364572