A201915 - OEIS

%I #10 Oct 22 2013 18:47:28

%S 1,6,11,14,15,23,42,62,69,77,30,46,51,55,71,60,78,92,123,143,167,114,

%T 135,158,177,203,209,239,132,140,182,188,195,249,287,299,120,174,184,

%U 190,267,295,319,323,359,204,220,224,246,284,286,334,415,451,503

%N Each row of triangle T(n,k) has a sorted list of n values such that sigma(T(n,k)) = A007368(n).

%C The first and last terms of each row are given in A184393 and A184394.

%C Note that the integers in the 10th row have sigma(n)=504 (A180164(1)) and thus include A002025(1) and A002046(1). - _Michel Marcus_, Oct 22 2013

%H T. D. Noe, <a href="/A201915/b201915.txt">Rows n = 1..100 of triangle, flattened</a>

%e Triangle:

%e 1

%e 6,    11

%e 14,   15,  23

%e 42,   62,  69,  77

%e 30,   46,  51,  55,  71

%e 60,   78,  92, 123, 143, 167

%e 114, 135, 158, 177, 203, 209, 239

%e 132, 140, 182, 188, 195, 249, 287, 299

%e 120, 174, 184, 190, 267, 295, 319, 323, 359

%e 204, 220, 224, 246, 284, 286, 334, 415, 451, 503

%K nonn,tabl

%O 1,2

%A _T. D. Noe_, Jan 24 2012