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 A258285 Number of partitions of 7 copies of n into distinct parts. 2
 1, 1, 8, 11, 52, 91, 326, 567, 1925, 3361, 10114, 17998, 50084, 89303, 236472, 414418, 1036205, 1872828, 4394636, 7781405, 18111119, 31868623, 70513669, 125728510, 269084037, 475275290, 1005278492, 1749029589, 3594394017, 6355048530, 12651552078, 22036692845, 43804062866, 75652893831 (list; graph; refs; listen; history; text; internal format)
 OFFSET 13,3 LINKS Alois P. Heinz, Table of n, a(n) for n = 13..49 FORMULA a(n) = 1/7! * [Product_{i=1..7} x_i^n] Product_{j>0} (1+Sum_{i=1..7} x_i^j). CROSSREFS Column k=7 of A258280. Sequence in context: A303883 A304889 A192427 * A166673 A107788 A038289 Adjacent sequences: A258282 A258283 A258284 * A258286 A258287 A258288 KEYWORD nonn AUTHOR Alois P. Heinz, May 25 2015 EXTENSIONS More terms from Alois P. Heinz, Apr 03 2017 STATUS approved

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Last modified July 23 19:18 EDT 2024. Contains 374553 sequences. (Running on oeis4.)