login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A108866 Numerator of Sum_{k=1..n} 2^k/k. 1
1, 2, 4, 20, 32, 256, 416, 4832, 8192, 42496, 74752, 1467392, 2650112, 62836736, 115552256, 42790912, 79691776, 2535587840, 4766040064, 170851041280, 1617069867008, 3070050172928, 5843921666048, 256460544016384, 490390373269504, 4697678227177472, 9016382767235072 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

A. M. Robert, A Course in p-adic Analysis, Springer, 2000; see p. 278.

CROSSREFS

Cf. A087910.

Sequence in context: A033180 A201502 A069535 * A059206 A052004 A027741

Adjacent sequences:  A108863 A108864 A108865 * A108867 A108868 A108869

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jul 12 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 17:11 EST 2012. Contains 205938 sequences.