OFFSET
1,1
COMMENTS
Segments (generated as at A217760): 3; 1,3; 2,3,1,1; 3,3,3,1,1,2; ...
The 4th segment is read "3 3's and 3 1's and 1 2" as a record of what was previously written; 3 3 1 are adjectives and 3 1 2 are nouns. Conjecture: every nonnegative integer occurs. - Clark Kimberling, Mar 25 2013
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..10000
EXAMPLE
Write 3, thus having 1 3, thus having 2 3's and 1 1, thus having 3 3's and 3 1's and 1 2, etc.
MATHEMATICA
s = {3}; Do[s = Flatten[{s, {Count[s, #], #} & /@ DeleteDuplicates[s]}], {14}]; s (* Peter J. C. Moses, Mar 21 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Apr 27 2000
STATUS
approved