login
A117611
Legendre-binomial transform of 10^n for p=3.
1
1, 11, 91, 1001, 11011, 91091, 999001, 10989011, 90909091, 1000000001, 11000000011, 91000000091, 1001000001001, 11011000011011, 91091000091091, 999001000999001, 10989011010989011, 90909091090909091, 999999999000000001
OFFSET
0,2
FORMULA
a(n)=sum{k=0..n, L(C(n,k)/3)*10^k} where L(j/p) is the Legendre symbol of j and p.
CROSSREFS
Sequence in context: A226868 A199678 A201549 * A294362 A363669 A044262
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Apr 06 2006
STATUS
approved