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 A128046 Triangle read by rows: inverse of the lower triangular matrix (1/1; 1/1, 1/3; 1/1, 1/3, 1/5;...). 1
 1, -3, 3, 0, -5, 5, 0, 0, -7, 7, 0, 0, 0, -9, 9, 0, 0, 0, 0, -11, 11, 0, 0, 0, 0, 0, -13, 13, 0, 0, 0, 0, 0, 0, -15, 15 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS A version of an odd number transform. LINKS FORMULA Triangle read by rows, replace the right border (1, 2, 3,...) of A126615 with (1, 3, 5,...) and the adjacent diagonal (-2, -3, -4,...) with (-3, -5, -7,...) EXAMPLE First few rows of the triangle are: 1; -3, 3; 0, -5, 5; 0, 0, -7, 7; ... CROSSREFS Cf. A126615. Sequence in context: A096439 A256119 A217552 * A102899 A072689 A021972 Adjacent sequences:  A128043 A128044 A128045 * A128047 A128048 A128049 KEYWORD tabl,sign AUTHOR Gary W. Adamson, Feb 11 2007 EXTENSIONS Edited by N. J. A. Sloane, Feb 26 2007 STATUS approved

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Last modified April 11 00:03 EDT 2021. Contains 342877 sequences. (Running on oeis4.)