5,1
Alois P. Heinz, Table of n, a(n) for n = 5..1000
Eric Weisstein's World of Mathematics, Ferrers Diagram
Wikipedia, Ferrers diagram
Column k=5 of A259478.
Sequence in context: A099061 A078163 A108766 * A295077 A239359 A120720
Adjacent sequences: A303852 A303853 A303854 * A303856 A303857 A303858
nonn
Alois P. Heinz, May 01 2018
approved