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A061744 (2^A000959(n)) - 1. 0
1, 7, 127, 511, 8191, 32767, 2097151, 33554431, 2147483647, 8589934591, 137438953471, 8796093022207, 562949953421311 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..13.

CROSSREFS

Cf. A000959, A061743, A000668.

Sequence in context: A084940 A246648 A139987 * A256146 A053716 A088550

Adjacent sequences:  A061741 A061742 A061743 * A061745 A061746 A061747

KEYWORD

nonn

AUTHOR

Jason Earls, May 07 2001

STATUS

approved

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Last modified March 21 22:19 EDT 2019. Contains 321382 sequences. (Running on oeis4.)