login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A204063 Decimal expansion of 2^607 - 1, the 14th Mersenne prime A000668(14). 17
5, 3, 1, 1, 3, 7, 9, 9, 2, 8, 1, 6, 7, 6, 7, 0, 9, 8, 6, 8, 9, 5, 8, 8, 2, 0, 6, 5, 5, 2, 4, 6, 8, 6, 2, 7, 3, 2, 9, 5, 9, 3, 1, 1, 7, 7, 2, 7, 0, 3, 1, 9, 2, 3, 1, 9, 9, 4, 4, 4, 1, 3, 8, 2, 0, 0, 4, 0, 3, 5, 5, 9, 8, 6, 0, 8, 5, 2, 2, 4, 2, 7, 3, 9, 1, 6, 2, 5, 0, 2, 2, 6, 5, 2, 2, 9, 2, 8, 5, 6, 6, 8, 8, 8, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

183,1

LINKS

M. F. Hasler, Table of n, a(n) for n = 183..365

D. H. Lehmer, Recent Discoveries of Large Primes, Mathematics of Computation, vol. 6, No. 37 (1952), p. 61.

Wikipedia, Mersenne prime

FORMULA

2^A000043(14)-1.

EXAMPLE

2^607-1 = 531 * 10^180 +

137992816767098689588206552468627329593117727031923199444138 * 10^120 +

200403559860852242739162502265229285668889329486246501015346 * 10^60 +

579337652707239409519978766587351943831270835393219031728127.

MATHEMATICA

RealDigits[2^607-1, 10, 120][[1]] (* Harvey P. Dale, Sep 23 2016 *)

PROG

(MAGMA) Reverse(Intseq(2^607-1)); // Arkadiusz Wesolowski, Oct 18 2014

(PARI) digits(2^607-1) \\ Simplified by M. F. Hasler, Oct 19 2019

CROSSREFS

Cf. A169684 = A000668(11), A169681 = A000668(12), A169685 = A000668(13), A248931 = A000668(15), A248932 = A000668(16), A248933 = A000668(17), A248934 = A000668(18), A248935 = A000668(19), A248936 = A000668(20).

Sequence in context: A094853 A096937 A097527 * A132400 A232810 A063268

Adjacent sequences:  A204060 A204061 A204062 * A204064 A204065 A204066

KEYWORD

nonn,cons,easy,fini,full

AUTHOR

M. F. Hasler, Jan 09 2013

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 21 19:57 EDT 2020. Contains 337273 sequences. (Running on oeis4.)