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A055171 Cumulative counting sequence: method B (noun,adjective)-pairs with first term 1. 5

%I #20 Nov 11 2022 14:59:00

%S 1,1,1,1,3,1,4,3,1,1,6,3,2,4,1,1,8,3,3,4,2,6,1,2,1,1,11,3,5,4,3,6,2,2,

%T 3,8,1,1,13,3,8,4,4,6,3,2,5,8,2,11,1,5,1,1,16,3,10,4,6,6,4,2,7,8,4,11,

%U 2,5,3,13,1,1,18,3,12,4,9,6,6,2,9,8,5,11,3,5

%N Cumulative counting sequence: method B (noun,adjective)-pairs with first term 1.

%C Segments (generated as at A055168): 1; 1,1; 1,3; 1,4,3,1; 1,6,3,2,4,1; ...

%C Conjecture: every positive integer occurs.

%H Seiichi Manyama, <a href="/A055171/b055171.txt">Table of n, a(n) for n = 1..10000</a>

%e Write 1, thus having 1 once, thus having 1 3 times, thus having 1 4 times and 3 once, etc.

%t s = {1}; Do[s = Flatten[{s, {#,Count[s, #]} & /@ DeleteDuplicates[s]}], {24}]; s (* _Peter J. C. Moses_, Mar 21 2013 *)

%Y Cf. A055168.

%K nonn

%O 1,5

%A _Clark Kimberling_, Apr 27 2000

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Last modified May 6 08:22 EDT 2024. Contains 372290 sequences. (Running on oeis4.)