login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A139567 Bisection of ultraperfect numbers A139306. 1
8, 512, 33554432, 137438953472, 2658455991569831745807614120560689152 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A099057, A099058, A139306, A139563, A139564, A139568.

Sequence in context: A154025 A013713 A109966 * A035131 A067512 A067505

Adjacent sequences:  A139564 A139565 A139566 * A139568 A139569 A139570

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, May 08 2008

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 26 20:33 EST 2020. Contains 331288 sequences. (Running on oeis4.)