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A134722 Bisection of Mersenne primes A000668. 3
7, 127, 131071, 2147483647, 618970019642690137449562111 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..5.

FORMULA

a(n) = A000668(2*n).

EXAMPLE

a(3) = 131071 because the (2*3=6)th Mersenne prime is 131071.

CROSSREFS

Cf. A000668, A134721.

Sequence in context: A253851 A077585 A261487 * A053713 A077586 A277634

Adjacent sequences:  A134719 A134720 A134721 * A134723 A134724 A134725

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol, Nov 11 2007

STATUS

approved

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Last modified October 26 04:54 EDT 2021. Contains 348256 sequences. (Running on oeis4.)