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 A141210 Triangle read by rows, A140207^2. 1
 1, 2, 1, 4, 3, 4, 7, 6, 10, 9, 12, 11, 20, 24, 25, 19, 18, 34, 45, 60, 49, 30, 29, 56, 78, 115, 126, 121, 45, 44, 86, 123, 190, 231, 286, 225, 67, 66, 130, 189, 300, 385, 528, 555, 484, 97, 96, 190, 279, 450, 595, 858, 1005, 1144, 900 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Left border of the triangle = A000070; right border = A001255. LINKS Table of n, a(n) for n=0..54. FORMULA A140207^2 as an infinite lower triangular matrix. EXAMPLE First few rows of the triangle are: 1; 2, 1; 4, 3, 4; 7, 6, 10, 9; 12, 11, 20, 24, 25; 19, 18, 34, 45, 60, 49; 30, 29, 56, 78, 115, 126, 121; ... CROSSREFS Cf. A001255, A141211 (row sums), A140207, A000070. Sequence in context: A071046 A324757 A144334 * A244373 A107640 A030065 Adjacent sequences: A141207 A141208 A141209 * A141211 A141212 A141213 KEYWORD nonn,tabl AUTHOR Gary W. Adamson & Roger L. Bagula, Jun 13 2008 STATUS approved

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Last modified April 22 21:06 EDT 2024. Contains 371906 sequences. (Running on oeis4.)