

A177368


Count the digits of the previous terms and describe nonzero counts, digits in ascending order, concatenating the count and the digit. Initial term is 9


10



9, 19, 1129, 311239, 51222349, 615233141559, 91625324451669, 111826344654689, 14192737475762899, 161112839485864738129, 211132103114951065778149, 202911521231341151167788169, 3038119214314413513697108189, 50461202193174145146107138219, 80541232213214165166127148239
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OFFSET

1,1


COMMENTS

For a Mathematica program, see A177360 (you have to slightly modify it) [From Jasper Mulder (jasper.mulder(AT)planet.nl), Jun 04 2010]


LINKS

J. Mulder, Table of n, a(n) for n = 1..25000


EXAMPLE

Nine; one nine; 1129=one one, two nines; 311239=three ones, one two, three nines; 51222349=five ones, two twos, two threes, four nines; six ones, five twos, three threes, one four, one five, five nines; etc.


CROSSREFS

Cf. A060857, A177359  A177367
Sequence in context: A248305 A089565 A001154 * A138493 A022513 A156746
Adjacent sequences: A177365 A177366 A177367 * A177369 A177370 A177371


KEYWORD

easy,nonn,base


AUTHOR

Paolo P. Lava and Giorgio Balzarotti, May 10 2010


EXTENSIONS

Terms corrected using values in bfile.  N. J. A. Sloane, Oct 05 2010


STATUS

approved



