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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A144800 Integers having ideal digital mean to base 5. 4
3468, 3696, 3864, 3984, 33918, 34158, 34674, 36294, 36990, 37230, 37302, 37326, 37722, 38046, 38106, 38322, 38478, 38670, 38682, 38730, 40038, 40086, 40326, 40722, 41334, 43350, 45270, 45390, 49278, 49518, 49638, 49878, 49950, 50478 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Subset of A031443, A144798 and A144799.

These numbers have digital mean dm(b, n) = sigma(i in [1, d]: d_i * 2 - (b - 1)) / (2 * d) = 0, where d is the number of digits in the base b representation of n and d_i the individual digits, for b in [2, 5].

CROSSREFS

Cf. A007953, A008591, A031443, A144777, A144798, A144799

Sequence in context: A125017 A176268 A031357 * A108250 A109484 A159215

Adjacent sequences:  A144797 A144798 A144799 * A144801 A144802 A144803

KEYWORD

base,hard,nonn

AUTHOR

Reikku Kulon (reikku(AT)gmail.com), Sep 21 2008

EXTENSIONS

Added accidentally omitted terms. Reikku Kulon (reikku(AT)gmail.com), Sep 24 2008

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 14 21:49 EST 2012. Contains 205663 sequences.