24944

Appears in sequences

• a(1)=1; for n>1, a(n) = least integer greater than a(n-1) such that the sums of the divisors of the pairwise sums of a(1),...,a(n) are all distinct.at n=43A293542
• Number of polygons formed when every pair of vertices of a row of n adjacent congruent rectangles are joined by an infinite line.at n=16A344993