140346

Appears in sequences

• Number of horizontally convex n-ominoes in which the top row has exactly 1 square, which is not above the rightmost square in the second row and the rightmost square in the second row is above the leftmost square in the third row.at n=13A049222
• Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)>2.at n=22A212899