login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A198170 Primes from merging of 3 successive digits in decimal expansion of Pi. 23
653, 643, 433, 383, 419, 197, 971, 937, 751, 307, 421, 211, 821, 823, 647, 709, 223, 317, 359, 811, 701, 193, 521, 211, 229, 881, 109, 659, 593, 461, 823, 233, 337, 271, 821, 607, 491, 127, 587, 631, 881, 881, 829, 409, 643, 367, 113, 521, 941, 151, 433, 727 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Leading zeros are not permitted, so each term is 3 digits in length.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[FromDigits/@Partition[RealDigits[Pi, 10, 1000][[1]], 3, 1], IntegerLength[#]==3&&PrimeQ[#]&]

CROSSREFS

Cf. A103773, A103789, A103793, A103808, A103809, A103810, A103811, A103812, A104824, A104825, A104826, A104843, A104844, A104845, A104846, A104847, A104848, A104849, A104850, A198161, A198162, A198163, A198164, A198165, A198166, A198167, A198168, A198169, A198171, A198172, A198173, A198174, A198175, A104851, A198177.

Sequence in context: A188414 A089673 A104823 * A145125 A145202 A188366

Adjacent sequences:  A198167 A198168 A198169 * A198171 A198172 A198173

KEYWORD

nonn,base

AUTHOR

Harvey P. Dale, Oct 21 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified October 20 17:39 EDT 2017. Contains 293648 sequences.