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 A328866 Row sums of array A324124. 6
 1, 3, 15, 105, 945, 4158, 75075, 579150, 34459425, 339489150, 16499172690, 1724913508500, 878428175625, 131358797955000, 252664626678750, 3891675750482520, 221643095476699771875, 208605266331011550000, 32498195069133543750, 807994071847270157850000, 125885476393804690593030 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS These are the quantities D_n in Luke (1952). See the table on p. 217 of his paper. We use a(7) = 579150, which is a divisor of D_7 = 4054050. For an explanation of this change, see the comments for array A324124. (This modification does not change the values of the fractions gamma_r(n)/D_n used in Eq. (1) of Luke (1952). It is needed to give a unique definition of the terms of the array A324124.) LINKS Petros Hadjicostas, Maple program. Yudell L. Luke, Mechanical quadrature near a singularity, Math. Comp. 6 (1952), 215-219. CROSSREFS Cf. A002685, A002686, A324124, A328884, A328885. Sequence in context: A338725 A295871 A293997 * A247304 A293998 A293999 Adjacent sequences:  A328863 A328864 A328865 * A328867 A328868 A328869 KEYWORD nonn AUTHOR Petros Hadjicostas, Oct 29 2019 STATUS approved

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Last modified September 26 09:15 EDT 2021. Contains 347664 sequences. (Running on oeis4.)