%I #3 Mar 11 2014 01:34:12
%S 1,2,3,1,2,4,7,14,1,2,4,8,16,31,62,124,248,1,2,4,8,16,32,64,127,254,
%T 508,1016,2032,4064,1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8191,
%U 16382,32764,65528,131056,262112,524224,1048448,2096896,4193792,8387584,16775168,1
%N Triangle read by rows: row n lists the proper divisors of n-th perfect number A000396(n).
%C Rows n has A133033(n) terms.
%C The n-th row sum is the n-th perfect number A000396(n).
%H Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos"</a>.
%e Triangle begins:
%e 1, 2, 3
%e 1, 2, 4, 7, 14
%e 1, 2, 4, 8, 16, 31, 62, 124, 248
%Y Cf. A000396, A018254, A018487, A133024, A133025, A133031, A133033, A135652, A135653, A135654, A135655, A139247.
%K nonn,tabf
%O 1,2
%A _Omar E. Pol_, Apr 22 2008, corrected Apr 25 2008
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