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 A182728 Array T(n,k) = n*k*A000041(n) read by antidiagonals, n,k >= 1. 4
 1, 4, 2, 9, 8, 3, 20, 18, 12, 4, 35, 40, 27, 16, 5, 66, 70, 60, 36, 20, 6, 105, 132, 105, 80, 45, 24, 7, 176, 210, 198, 140, 100, 54, 28, 8, 270, 352, 315, 264, 175, 120, 63, 32, 9, 420, 540, 528, 420, 330, 210, 140, 72, 36, 10, 616, 840, 810, 704, 525, 396, 245, 160, 81, 40, 11 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS EXAMPLE Array begins:     1,   2,   3,   4,   5,   6,   7, ...     4,   8,  12,  16,  20,  24,  28, ...     9,  18,  27,  36,  45,  54,  63, ...    20,  40,  60,  80, 100, 120, 140, ...    35,  70, 105, 140, 175, 210, 245, ...    66, 132, 198, 264, 330, 396, 462, ...   105, 210, 315, 420, 525, 630, 735, ... MAPLE A182728 := proc(n, k) n*k*combinat[numbpart](n) ; end proc: seq(seq( A182728(d+1-k, k), k=1..d), d=1..10) ; # R. J. Mathar, Feb 01 2011 CROSSREFS Cf. A000041, A135010, A182729, A183011. Column 1 gives A066186. Column 24 gives A183009. Sequence in context: A104583 A278103 A249327 * A290538 A097664 A144811 Adjacent sequences:  A182725 A182726 A182727 * A182729 A182730 A182731 KEYWORD nonn,easy,tabl AUTHOR Omar E. Pol, Jan 22 2011 STATUS approved

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Last modified June 15 22:19 EDT 2019. Contains 324145 sequences. (Running on oeis4.)