A164895 - OEIS

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A164895

Decimal representation of the strings formed by concatenating the digits of Pi in base 2.

3, 7, 60, 121, 973, 15577, 62310, 498486, 3987893, 15951575, 127612605, 2041801688, 32668827017, 261350616143, 4181609858297, 16726439433191, 66905757732766, 267623030931067, 4281968494897080, 34255747959176644, 274045983673413158, 1096183934693652634

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..22.

EXAMPLE

The digits of Pi (3 1 4 1 5 9 ...) in base 2 (11 1 100 1 101 1001 ...) concatenated to form the base-2 sequence: 11, 111, 111100, 1111001, 1111001101, 11110011011001, etc.

MATHEMATICA

Table[FromDigits[Flatten[Take[IntegerDigits[#, 2]&/@RealDigits[ Pi, 10, 50] [[1]], n]], 2], {n, 40}] (* Harvey P. Dale, Jul 27 2011 *)

CROSSREFS

Cf. A004601.

Sequence in context: A185846 A239023 A341718 * A046859 A242380 A225195

Adjacent sequences: A164892 A164893 A164894 * A164896 A164897 A164898

KEYWORD

base,easy,nonn

AUTHOR

Gil Broussard, Aug 29 2009

EXTENSIONS

More terms from Harvey P. Dale, Jul 27 2011

STATUS

approved