1,1

a(1)=9 because 9 occurs at offset (9-4) after the decimal in the digits of pi.

Cf. A057679, A057680, A109513, A109514

Sequence in context: A158728 A152101 A165389 this_sequence A157569 A085799 A075127

Adjacent sequences: A153220 A153221 A153222 this_sequence A153224 A153225 A153226

base,more,nonn

Gil Broussard (gilbroussard(AT)bellsouth.net), Dec 21 2008