|
| |
|
|
A153031
|
|
Positions of prime digits of Pi
|
|
0
| |
|
|
1, 5, 7, 9, 10, 11, 14, 16, 17, 18, 22, 25, 26, 28, 29, 30, 32, 34, 40, 44, 47, 48, 49, 52, 54, 57, 62, 64, 65, 67, 74, 77, 84, 87, 90, 91, 92, 94, 97, 100, 103, 110, 112, 113, 115, 116, 121, 124, 131, 132, 134, 136, 137, 138, 140, 141, 142, 143, 144, 150, 157, 159, 161
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
MATHEMATICA
| Flatten[Position[ Map[If[PrimeQ[ # ], "*", # ] &, RealDigits[ N[Pi, 100]][[1]]], "*"]]
Select[ Range@ 166, PrimeQ[ RealDigits[Pi, 10, 166][[1, # ]]] &] [From Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 21 2008]
|
|
|
CROSSREFS
| Sequence in context: A126949 A079696 A129270 * A184110 A138892 A190202
Adjacent sequences: A153028 A153029 A153030 * A153032 A153033 A153034
|
|
|
KEYWORD
| nonn,base
|
|
|
AUTHOR
| Julio Cesar de la Yncera (ynceraj(AT)gmail.com), Dec 17 2008
|
|
|
EXTENSIONS
| I added a more concise Mathematica coding and extended the sequence. Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 21 2008
|
| |
|
|
