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%I #3 Mar 11 2014 01:34:12
%S 1,1,2,1,2,4,8,1,2,4,8,16,32,1,2,4,8,16,32,64,128,256,512,1024,2048,1,
%T 2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,1,2,4,8,
%U 16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536,131072,1,2,4,8,16
%N Triangle read by rows: row n lists the proper divisors of n-th even superperfect number A061652(n).
%C Also, row n list the proper divisors of n-th superperfect number A019279(n), if there are no odd superperfect numbers.
%C Row n has (A000043(n) - 1) = A090748(n)) terms.
%H Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos"</a>.
%e Triangle begins:
%e 1
%e 1, 2
%e 1, 2, 4, 8
%e 1, 2, 4, 8, 16, 32
%e 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048
%Y Cf. A000043, A000668, A018254, A018487, A019279, A061652, A090748, A133024, A133025, A133031, A133049, A135652, A135653, A135654, A135655, A139246.
%K nonn,tabf
%O 1,3
%A _Omar E. Pol_, Apr 22 2008
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