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A253058
Complete list of numbers that take three steps to collapse to a single digit in base 3 (written in base 3).
3
2102222, 11102222, 12022222, 120022222, 202022221, 1200022222, 2002022221, 2020022221, 12000022222, 20200022221, 202000022221
OFFSET
1,1
LINKS
Steve Butler, R. L. Graham, Richard Stong, Collapsing numbers in bases 2, 3, and beyond, in Gathering for Gardner 10, 2014.
CROSSREFS
Cf. A253057.
Sequence in context: A017705 A013969 A036099 * A233979 A203786 A295478
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Jan 13 2015
STATUS
approved