1,1

Table of n, a(n) for n=1..4.

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: A201832 A317651 A201212 * A172639 A231648 A017767

Adjacent sequences: A153218 A153219 A153220 * A153222 A153223 A153224

base,more,nonn

Gil Broussard, Dec 21 2008

approved