A007176 Stopping times (see Borwein-Loring article for precise definition). (Formerly M1359)

2, 5, 9, 15, 25, 33, 393, 12231, 29753, 155943, 460537

Offset

1,1

References

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=1..11.

P. B. Borwein and T. A. Loring, Some questions of Erdős and Graham on numbers of the form Sum g_n/2^{g_n}, Math. Comp., 54 (1990), 377-394.

Crossrefs

Sequence in context: A055610 A134342 A100287 * A267757 A176691 A339554

Adjacent sequences: A007173 A007174 A007175 * A007177 A007178 A007179

Keyword

nonn,more

Author

N. J. A. Sloane

Extensions

a(9)-a(11) from Sean A. Irvine, Nov 09 2017

Status

approved