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Scan decimal expansion of log(2) until all n-digit strings have been seen; a(n) is last string seen.
2

%I #10 Feb 16 2025 08:32:37

%S 2,98,604,1155,46847,175403

%N Scan decimal expansion of log(2) until all n-digit strings have been seen; a(n) is last string seen.

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

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/NaturalLogarithmof2Digits.html">Natural Logarithm of 2 Digits</a>

%Y Cf. A002162 (decimal expansion of log(2)).

%Y Cf. A036905 (number of digits in the decimal expansion of log(2) that must be scanned to see all n-digit strings).

%Y Cf. A032510, A036900-A036906.

%K nonn,base,more,changed

%O 1,1

%A _Michael Kleber_