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A138102 The number 2*k^2 repeated 2*k^2 times, k=1 to 4. 3

%I #7 Dec 30 2012 02:43:38

%S 2,2,8,8,8,8,8,8,8,8,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,

%T 18,18,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,

%U 32,32,32,32,32,32,32,32,32,32,32

%N The number 2*k^2 repeated 2*k^2 times, k=1 to 4.

%C Vaguely related to the number of elements in the Janet table A138102.

%C Essentially the same as A137575.

%C a(n)= (A138101=3,4,13,14,15,16,17,) - (A138100=1,2,5,6,7,8,9,) . [From _Paul Curtz_, Oct 11 2009]

%H Albert Tarantola, <a href="http://www.ipgp.fr/~tarantola/Files/Professional/Mendeleev/">PSE of Elements (Janet form)</a>.

%H Anonymous, <a href="http://www.webelements.com/nexus/?q=node/981">Janet periodic table</a>, Web Elements Chemistry Nexus

%Y Cf. A138101, A137325, A137583, A166071, A001105.

%K nonn,less,fini,full

%O 1,1

%A _Paul Curtz_, May 03 2008

%E Edited by _R. J. Mathar_, Oct 07 2009

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Last modified September 2 10:42 EDT 2024. Contains 375613 sequences. (Running on oeis4.)