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Table of n, a(n) for n=1..53.
Eric Weisstein's World of Mathematics, Pi Digits.
Flatten @ Position[ RealDigits[Pi - 3, 10, 500][], 6] (* Robert G. Wilson v, Mar 07 2011 *)
Sequence in context: A057866 A128817 A209553 * A022419 A070413 A015243
Adjacent sequences: A037002 A037003 A037004 * A037006 A037007 A037008
Nicolau C. Saldanha (nicolau(AT)mat.puc-rio.br)