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

Author

Michael Kleber

Keywords

• nonn
• base
• more

Links

• Fabrice Bellard, Link to data from Bellard's calculation of 2.7 trillion digits of pi
• Eric Weisstein's World of Mathematics, Pi Digits

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.

Formula

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

Extensions

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