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A060857 Describe all the numbers already used (sorted into increasing order - not splitting numbers up into their digits). +0
1
1, 11, 31, 4113, 612314, 8112332416, 1113253342618, 131528344153628111, 1617210364354648211113, 181921239445661758110311213116, 2211121431146586276829210411112313216118 (list; graph; listen)
OFFSET

0,2

EXAMPLE

One; one one; three ones; four ones, one three; six ones, two threes, one four; eight ones, one two, three threes, two fours, one six; eleven ones, three twos, five threes, three fours, two sixes, one eight; thirteen [note not 15] ones, five twos, eight threes, four fours, one five, three sixes, two eights, one eleven [note than numbers >9 are preserved as wholes rather than as a collection of digits]; etc.

CROSSREFS

This is a combination of methods used in A005151 and A045982. The first word of each term (the number of ones used earlier) seems to be equal to A030711 and A030761.

Sequence in context: A111015 A023306 A068839 this_sequence A045982 A059134 A007790

Adjacent sequences: A060854 A060855 A060856 this_sequence A060858 A060859 A060860

KEYWORD

base,nice,nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), May 03 2001

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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