OFFSET
1,4
LINKS
Diana Mecum, Table of n, a(n) for n = 1..517 [From Diana L. Mecum, Aug 12 2008]
EXAMPLE
The 6th row of triangle A112592 is [5,0,5,0,5,0]. So a(7) is the number of these terms which are coprime to 7. Now the three 5's are coprime to 7, but the 0's are not; so a(7) = 3.
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Dec 27 2005
EXTENSIONS
Terms a(10) through a(517) from Diana L. Mecum, Aug 12 2008
STATUS
approved