1,1

a(n) = decimal digit occurring exactly once in A098707(n) and A098707(n+1);

1 < a(n) <= 9.

Table of n, a(n) for n=1..105.

Sequence in context: A146167 A103380 A309120 * A067394 A076925 A100961

Adjacent sequences: A098705 A098706 A098707 * A098709 A098710 A098711

nonn,base

Reinhard Zumkeller, Sep 21 2004

approved