

A064810


Number of selflocating strings in Pi using zero based indexing.


2



6, 27, 13598, 43611, 24643510, 71683711, 78714901, 268561754, 4261759184, 82638677082, 548535559133
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OFFSET

1,1


COMMENTS

a(12) is greater than 10^12.  Alan Eliasen, Jun 17 2013


LINKS

Table of n, a(n) for n=1..11.
Dave Andersen, The PiSearch Page
Brady Haran and Katie Steckles, 27 the Favourite Number  , Numberphile video (2012).
L. Brandon Stone, 27 and the Number Pi


EXAMPLE

6 is the first term because Pi is 3.1415926... and the digit 6 is in position 6 after the decimal point when the first 1 after the decimal point is considered to be at position 0.


CROSSREFS

Cf. A057679, A057680
Sequence in context: A048436 A276412 A006174 * A101454 A091911 A215896
Adjacent sequences: A064807 A064808 A064809 * A064811 A064812 A064813


KEYWORD

base,nonn


AUTHOR

Klaus Strassburger (strass(AT)ddfi.uniduesseldorf.de), Oct 22 2001


EXTENSIONS

a(6)a(10) from Alan Eliasen, May 11 2013
a(11) from Alan Eliasen, May 28 2013


STATUS

approved



