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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A005084 Sum of cubes of primes = 3 mod 4 dividing n. 0
0, 0, 27, 0, 0, 27, 343, 0, 27, 0, 1331, 27, 0, 343, 27, 0, 0, 27, 6859, 0, 370, 1331, 12167, 27, 0, 0, 27, 343, 0, 27, 29791, 0, 1358, 0, 343, 27, 0, 6859, 27, 0, 0, 370, 79507, 1331, 27, 12167, 103823, 27, 343 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

FORMULA

Additive with a(p^e) = p^3 if p = 3 (mod 4), 0 otherwise.

CROSSREFS

Sequence in context: A112946 A034246 A145336 * A050454 A178737 A005067

Adjacent sequences:  A005081 A005082 A005083 * A005085 A005086 A005087

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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 16:24 EST 2012. Contains 205938 sequences.