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A275977 Decimal expansion of 2^9689 - 1, the 21st Mersenne prime A000668(21). 7
4, 7, 8, 2, 2, 0, 2, 7, 8, 8, 0, 5, 4, 6, 1, 2, 0, 2, 9, 5, 2, 8, 3, 9, 2, 9, 8, 6, 6, 0, 0, 0, 5, 9, 0, 9, 7, 4, 1, 4, 9, 7, 1, 7, 2, 4, 0, 2, 2, 3, 6, 5, 0, 0, 8, 5, 1, 3, 3, 4, 5, 1, 0, 9, 9, 1, 8, 3, 7, 8, 9, 5, 0, 9, 4, 2, 6, 6, 2, 9, 7, 0, 2, 7, 8, 9, 2, 7, 6, 8, 6, 1, 1, 2, 7, 0, 7, 8, 9, 4, 5, 8, 6, 8, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2917,1

LINKS

Arkadiusz Wesolowski, Table of n, a(n) for n = 2917..5833

Wikipedia, Mersenne prime

FORMULA

2^A000043(21) - 1.

EXAMPLE

47822027880546120295283929866000590974149717240223650085133451099183789...

MATHEMATICA

First@RealDigits@N[2^9689 - 1, 100] (* G. C. Greubel, Aug 15 2016 *)

PROG

(MAGMA) Reverse(Intseq(2^9689-1))[1..105];

(PARI) eval(Vec(Str(2^9689-1)))[1..105]

CROSSREFS

Cf. A169684 = A000668(11), A169681 = A000668(12), A169685 = A000668(13), A204063 = A000668(14), A248931 = A000668(15), A248932 = A000688(16), A248933 = A000668(17), A248934 = A000668(18), A248935 = A000668(19), A248936 = A000668(20), A275979 = A000668(22), A275980 = A000668(23), A275981 = A000668(24), A275982 = A000668(25), A275983 = A000668(26), A275984 = A000668(27).

Sequence in context: A171548 A296565 A198822 * A151968 A115632 A190260

Adjacent sequences:  A275974 A275975 A275976 * A275978 A275979 A275980

KEYWORD

nonn,cons,easy,fini,full

AUTHOR

Arkadiusz Wesolowski, Aug 15 2016

STATUS

approved

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Last modified October 13 23:43 EDT 2019. Contains 327983 sequences. (Running on oeis4.)