OFFSET

1,4

LINKS

Sean A. Irvine, Java program (GitHub)

EXAMPLE

a(5)=3: there are two possibilities to cut 5, i.e., (1,4) and (2,3); (1,4) gives two possibilities to draw such a graph because 4 also has two ways of cutting: (2,2) and (1,4); (2,3) gives one possibility; and 2+1=3.

CROSSREFS

KEYWORD

nonn

AUTHOR

Mathieu Dupont (mathieudupont(AT)usa.net), Nov 18 2000

EXTENSIONS

More terms from Sean A. Irvine, Jul 21 2022

STATUS

approved