54856

Appears in sequences

• Third row of Pascal-(1,2,1) array A081577.at n=23A081583
• Number of line segments connecting exactly 5 points in an n x n grid of points.at n=40A177721
• Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) < number of distinct parts of p.at n=47A241818
• Convolution of Fibonacci numbers (A000045) and partition numbers (A000041).at n=20A275388