1,1

a(1)=51 because 51 occurs at offset (51-3) after the decimal in the digits of pi.

Cf. A057679, A057680, A109513, A109514

Sequence in context: A142994 A166820 A020278 this_sequence A017767 A017714 A014943

Adjacent sequences: A153218 A153219 A153220 this_sequence A153222 A153223 A153224

base,more,nonn

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