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A089024 1's separated by d(n) 0's, where d(n) = n-th digit of decimal expansion of Pi. 0
1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..105.

EXAMPLE

a(7) = 1 because from the expansion of Pi = 3.14159... we get 3 -> 1000, 1 -> 10, 4 -> 10000, 1 -> 10 we can create the sequence 1000101000010 so the seventh element is 1.

MATHEMATICA

Flatten[ Table[ PadRight[{1}, # ]] & /@ (1 + RealDigits[Pi, 10, 19] [[1]])] (* Robert G. Wilson v, Nov 15 2003 *)

CROSSREFS

Sequence in context: A104108 A190610 A267056 * A232991 A168553 A267636

Adjacent sequences:  A089021 A089022 A089023 * A089025 A089026 A089027

KEYWORD

nonn,easy,base

AUTHOR

Felix Tubiana (fat2(AT)columbia.edu), Nov 11 2003

EXTENSIONS

More terms from Robert G. Wilson v and Ray Chandler, Nov 15 2003

STATUS

approved

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Last modified June 26 10:12 EDT 2019. Contains 324375 sequences. (Running on oeis4.)