0,2

If X is an n-set and Y a fixed 8-subset of X then a(n-8) is equal to the number of 8-subsets of X intersecting Y. - Milan R. Janjic (agnus(AT)blic.net), Jul 30 2007

Milan Janjic, Two Enumerative Functions

Expansion of (1-x^8 )/(1-x)^9.

Adjacent sequences: A008498 A008499 A008500 this_sequence A008502 A008503 A008504

Sequence in context: A060008 A095166 A126899 this_sequence A008491 A023034 A000581

nonn

njas