A036903 Scan decimal expansion of Pi until all n-digit strings have been seen; a(n) is number of digits that must be scanned.

32, 606, 8555, 99849, 1369564, 14118312, 166100506, 1816743912, 22445207406, 241641121048, 2512258603207

Offset

1,1

Links

Table of n, a(n) for n=1..11.

Fabrice Bellard, Link to data from Bellard's calculation of 2.7 trillion digits of pi

Eric Weisstein's World of Mathematics, Pi Digits

Formula

a(n) = A080597(n) - 1.

Crossrefs

Cf. A000796 (decimal expansion of Pi).

Cf. A080597 (= a(n) + 1).

Cf. A032445 (starting positions of the first occurrences of n the decimal expansion of Pi).

Cf. A032510 (last n-digit number seen when scanning for all n-digit numbers).

Cf. A036900-A036906.

Sequence in context: A022756 A332262 A088914 * A208828 A013699 A378296

Adjacent sequences: A036900 A036901 A036902 * A036904 A036905 A036906

Keyword

nonn,base

Author

Michael Kleber

Extensions

a(8)-a(11) from fabrice(AT)bellard.org (Fabrice Bellard), Oct 23 2011

Status

approved