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A073048 Starting term of the first length-n chain of equidigital numbers (A046758). 2
5, 10, 1, 191, 13, 1134, 157, 1169312, 100149391, 1016258233, 107375450119, 10271593487494 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
REFERENCES
Journal of Recreational Mathematics, 29(2) 138 1998, Solution to Problem 2209 "Equidigital Representation"
LINKS
EXAMPLE
13 is in the sequence because prime decompositions of 13 through 17, i.e. 13, 14=2*7, 15=3*5, 16=2^4, 17, use as many digits as their normal decimal representation.
CROSSREFS
Cf. A046758.
Sequence in context: A099731 A307716 A091306 * A102258 A361672 A169841
KEYWORD
hard,more,base,nonn
AUTHOR
Lekraj Beedassy, Aug 31 2002
EXTENSIONS
a(9) corrected and a(11) from Donovan Johnson, Jul 30 2010
a(12) from Giovanni Resta, Aug 14 2013
STATUS
approved

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Last modified June 12 12:13 EDT 2024. Contains 373331 sequences. (Running on oeis4.)