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A183232 Second of two complementary trees generated by the triangular numbers. The other tree is A183231. 3

%I #9 Mar 30 2012 18:57:12

%S 2,8,5,53,12,26,9,1538,63,103,17,404,33,64,14,1186568,1593,2143,74,

%T 5563,117,188,23,82619,432,628,41,2209,75,134,20,703974775733,1188108,

%U 1272808,1649,2301583,2208,2924,86,15487393

%N Second of two complementary trees generated by the triangular numbers. The other tree is A183231.

%C See A183231 (first tree).

%F See the formulas at A183231 and A183244.

%e First 3 levels:

%e ....................2

%e ...............8...........5

%e ............53...12.....26...9

%Y Cf. A183079, A183231, A183244.

%K nonn,tabf

%O 1,1

%A _Clark Kimberling_, Jan 02 2011

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Last modified July 19 00:30 EDT 2024. Contains 374388 sequences. (Running on oeis4.)