0,11

Table of n, a(n) for n=0..96.

a(21) = 3 because the digit '1' which is congruent to 21 mod 10 has appeared 3 times in the sequence prior to this term.

Sequence in context: A277926 A222521 A068159 * A265373 A309202 A105031

Adjacent sequences: A108692 A108693 A108694 * A108696 A108697 A108698

base,nonn

Andrew Weimholt, Jun 19 2005

approved