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Scan decimal expansion of zeta(3) until all n-digit strings have been seen; a(n) is number of digits that must be scanned.
6

%I #17 Aug 03 2018 10:30:17

%S 23,457,7839,83054,1256587,13881136,166670757

%N Scan decimal expansion of zeta(3) until all n-digit strings have been seen; a(n) is number of digits that must be scanned.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/AperysConstantDigits.html">Apery's Constant Digits</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ConstantDigitScanning.html">Constant Digit Scanning</a>

%Y Cf. A002117 (decimal expansion of zeta(3)).

%Y Cf. A036902 (last n-digit string seen when scanning the decimal digits of zeta(3)).

%Y Cf. A032510, A036900-A036905.

%K nonn,base,more

%O 1,1

%A _Michael Kleber_

%E a(7) = 166670757 from _Eric W. Weisstein_, Sep 17 2013