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A144801 Integers having ideal digital mean to base 6. +0
4
36990, 37230, 38670, 43350, 45390, 14492490, 14496810, 14512170, 14578050, 14579970, 14630970, 14655810, 14663730, 14685690, 14733810, 14741790, 14753010, 14758350, 14761350, 14779230, 14779710, 14780310, 14784090 (list; graph; listen)
OFFSET

1,1

COMMENT

Subset of A031443, A144798, A144799 and A144800.

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, 6].

CROSSREFS

Cf. A007953, A008591, A031443, A144777, A144798, A144799, A144800

Sequence in context: A143369 A061739 A051393 this_sequence A144812 A057881 A112728

Adjacent sequences: A144798 A144799 A144800 this_sequence A144802 A144803 A144804

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

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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