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A055174
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Cumulative counting sequence: method B (noun,adjective)-pairs with first term 2.
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6
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2, 2, 1, 2, 2, 1, 1, 2, 4, 1, 3, 2, 5, 1, 4, 4, 1, 3, 1, 2, 6, 1, 7, 4, 3, 3, 2, 5, 1, 2, 8, 1, 9, 4, 4, 3, 4, 5, 2, 6, 1, 7, 1, 2, 10, 1, 12, 4, 7, 3, 5, 5, 3, 6, 2, 7, 2, 8, 1, 9, 1, 2, 13, 1, 15, 4, 8, 3, 7, 5, 5, 6, 3, 7, 4, 8, 2, 9, 2, 10, 1, 12, 1, 2, 16, 1, 18
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OFFSET
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1,1
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COMMENTS
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Segments (generated as at A055168): 2; 2,1; 2,2,1,1; 2,4,1,3,2,5; ...
Conjecture: every positive integer occurs.
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LINKS
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EXAMPLE
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Write 2, thus having 2 once, thus having 2 twice and 1 once, thus having 2 4 times and 1 3 times and 2 5 times, etc.
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MATHEMATICA
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s = {2}; Do[s = Flatten[{s, {#, Count[s, #]} & /@ DeleteDuplicates[s]}], {24}]; s (* Peter J. C. Moses, Mar 21 2013 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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