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A201915
Each row of triangle T(n,k) has a sorted list of n values such that sigma(T(n,k)) = A007368(n).
5
1, 6, 11, 14, 15, 23, 42, 62, 69, 77, 30, 46, 51, 55, 71, 60, 78, 92, 123, 143, 167, 114, 135, 158, 177, 203, 209, 239, 132, 140, 182, 188, 195, 249, 287, 299, 120, 174, 184, 190, 267, 295, 319, 323, 359, 204, 220, 224, 246, 284, 286, 334, 415, 451, 503
OFFSET
1,2
COMMENTS
The first and last terms of each row are given in A184393 and A184394.
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
EXAMPLE
Triangle:
1
6, 11
14, 15, 23
42, 62, 69, 77
30, 46, 51, 55, 71
60, 78, 92, 123, 143, 167
114, 135, 158, 177, 203, 209, 239
132, 140, 182, 188, 195, 249, 287, 299
120, 174, 184, 190, 267, 295, 319, 323, 359
204, 220, 224, 246, 284, 286, 334, 415, 451, 503
CROSSREFS
Sequence in context: A199717 A163871 A383785 * A237606 A378710 A264935
KEYWORD
nonn,tabl
AUTHOR
T. D. Noe, Jan 24 2012
STATUS
approved