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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 May 16 12:41 EDT 2024. Contains 372552 sequences. (Running on oeis4.)