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 A187883 Triangle by rows, A003983 * A000012 as infinite lower triangular matrices 0
 1, 2, 1, 4, 3, 1, 6, 5, 3, 1, 9, 8, 6, 3, 1, 12, 11, 9, 6, 3, 1, 16, 15, 13, 10, 6, 3, 1, 20, 19, 17, 14, 10, 6, 3, 1, 25, 24, 22, 19, 15, 10, 6, 3, 1, 30, 29, 27, 24, 20, 15, 10, 6, 3, 1, 36, 35, 33, 30, 26, 21, 15, 10, 6, 3, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Sum of n-th row terms = A034828(n+1). LINKS FORMULA Given the correlation triangle A003983, partial sums of terms starting from the right. EXAMPLE Row 4 = (6, 5, 3, 1), since row 4 of the A003983 triangle = (1, 2, 2, 1). First few rows of the triangle = 1 2, 1 4, 3, 1 6, 5, 3, 1 9, 8, 6, 3, 1 12, 11, 9, 6, 3, 1 16, 15, 13, 10, 6, 3, 1 20, 19, 17, 14, 10, 6, 3, 1 25, 24, 22, 19, 15, 10, 6, 3, 1 30, 29, 27, 24, 20, 15, 10, 6, 3, 1 36, 35, 33, 30, 26, 21, 15, 10, 6, 3, 1 42, 41, 39, 36, 32, 27, 21, 15, 10, 6, 3, 1 ... CROSSREFS Cf. A034828 Sequence in context: A112157 A265624 A093682 * A134543 A305540 A197871 Adjacent sequences:  A187880 A187881 A187882 * A187884 A187885 A187886 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Mar 15 2011 STATUS approved

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Last modified October 20 20:24 EDT 2019. Contains 328273 sequences. (Running on oeis4.)