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 A182702 Triangle T(n,k) = n*(A000041(n-k)) read by rows, k>=0. 4
 1, 4, 2, 9, 6, 3, 20, 12, 8, 4, 35, 25, 15, 10, 5, 66, 42, 30, 18, 12, 6, 105, 77, 49, 35, 21, 14, 7, 176, 120, 88, 56, 40, 24, 16, 8, 270, 198, 135, 99, 63, 45, 27, 18, 9, 420, 300, 220, 150, 110, 70, 50, 30, 20, 10, 616, 462, 330, 242, 165, 121, 77, 55, 33, 22, 11 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS The same as A182700, but without the last term of row n. LINKS EXAMPLE Triangle begins: 1; 4, 2; 9, 6, 3; 20, 12, 8, 4; 35, 25, 15, 10, 5; 66, 42, 30, 18, 12, 6; PROG (PARI) tabl(nn) = {for (n = 1, nn, for (k = 0, n-1, print1(n*numbpart(n-k), ", "); ); print(); ); } \\ Michel Marcus, Feb 13 2014 CROSSREFS Cf. A000041, A135010, A138121, A182701, A182702. Column 1 give A066186. Sequence in context: A082156 A114577 A191426 * A101690 A213781 A246378 Adjacent sequences:  A182699 A182700 A182701 * A182703 A182704 A182705 KEYWORD nonn,tabl AUTHOR Omar E. Pol, Nov 28 2010 EXTENSIONS More terms from Michel Marcus, Feb 13 2014 STATUS approved

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Last modified December 20 11:35 EST 2014. Contains 252241 sequences.