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A228242
First occurrence of n consecutive n's in the decimal expansion of log(2).
0
4, 419, 2114, 3929, 38451, 716837, 6180096, 10680693, 2539803904
OFFSET
1,1
COMMENTS
Earls sequence for log(2).
LINKS
Eric Weisstein's World of Mathematics, Natural Logarithm of 2 Digits
Eric Weisstein's World of Mathematics, Earls Sequence
EXAMPLE
log(2) = 0.6931471806...7229..., so
a(1) = 4 (the digit string 1 first occurs at position 4)
a(2) = 419 (the digit string 22 first occurs starting at position 419)
CROSSREFS
Cf. A002162 (decimal expansion of log(2)).
Sequence in context: A326209 A287965 A215647 * A036771 A201980 A080321
KEYWORD
nonn,base
AUTHOR
Eric W. Weisstein, Aug 17 2013
EXTENSIONS
a(9) = 2539803904 from Eric W. Weisstein, Aug 20 2013
STATUS
approved