A008933 Number of strictly increasing addition chains of length n.

1, 1, 2, 6, 25, 135, 913, 7499, 73191, 833597, 10917343, 162402263, 2715430931, 50576761471, 1041203832858, 23529845888598

Offset: 0

Author

Mauro Torelli (torelli(AT)hermes.mc.dsi.unimi.it)

Keywords

• nonn
• hard
• more

Links

• M. Torelli, Increasing integer sequences and Goldbach's conjecture, RAIRO - Theoretical Informatics and Applications, vol.40, no.02 (April 2006), pp.107-121.
• David Bruce Wilson, Home page [broken link]

Extensions

More terms from David Bruce Wilson