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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A087083 Take unbounded lunar divisors of n as defined in A087029, add them using normal addition. See A087416 for their lunar sum. 4
45, 44, 42, 39, 35, 30, 24, 17, 9, 495, 4500, 168, 154, 138, 120, 100, 78, 54, 28, 484, 492, 3916, 224, 198, 170, 140, 108, 74, 38, 462, 469, 476, 3276, 258, 220, 180, 138, 94, 48, 429, 435, 441, 447, 2613, 270, 220, 168, 114, 58, 385, 390, 395 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..52.

D. Applegate, C program for lunar arithmetic and number theory [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]

D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]

Index entries for sequences related to dismal (or lunar) arithmetic

CROSSREFS

Sequence in context: A196090 A165248 A085518 * A216407 A137439 A199356

Adjacent sequences:  A087080 A087081 A087082 * A087084 A087085 A087086

KEYWORD

nonn,easy

AUTHOR

Marc LeBrun and N. J. A. Sloane, Oct 19 2003

EXTENSIONS

More terms from David Applegate, Nov 07 2003

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 November 20 10:09 EST 2019. Contains 329334 sequences. (Running on oeis4.)