OFFSET
1,1
COMMENTS
Subsidiary sequence: 3 more sequences can be obtained by replacing 1 by 3,7 and 9.
FORMULA
If n is divisible by 2 or 5, a(n) = A088622(n); otherwise a(n) = A088623(n). - David Wasserman, Oct 12 2005
EXAMPLE
a(12) = 0 because 1+10*12^r is always divisible by 11.
a(32) = 0 because 1+10*32^r is divisible by 3 if r is odd and by 11 if r is even.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 24 2003
EXTENSIONS
More terms from David Wasserman, Oct 12 2005
STATUS
approved