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 A156291 A triangle sequence of Cyclotomic products: t(n,m)=Product[Cyclotomic[k, m + 1], {k, 1, n}]. 0
 1, 3, 8, 21, 104, 315, 105, 1040, 5355, 19344, 3255, 125840, 1826055, 15107664, 86590175, 9765, 880880, 23738715, 317260944, 2684295425, 16476602400, 1240155, 962801840, 129637122615, 6196423497264, 150285647959475, 2261529015616800 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row sums are: {1, 11, 440, 25844, 103652989, 19502788129, 26313960954200884, 1365438215011770727764, 13180641383420867649481463463, 2480700284650078006965956163001113,...}. LINKS FORMULA t(n,m)=Product[Cyclotomic[k, m + 1], {k, 1, n}]. EXAMPLE {1}, {3, 8}, {21, 104, 315}, {105, 1040, 5355, 19344}, {3255, 125840, 1826055, 15107664, 86590175}, {9765, 880880, 23738715, 317260944, 2684295425, 16476602400}, {1240155, 962801840, 129637122615, 6196423497264, 150285647959475, 2261529015616800, 23895819265962735}, {21082635, 78949750880, 33316740512055, 3878961109287264, 194920485403439075, 5432192695511553600, 97901171532649325295, 1261906017941385776960}, {1539032355, 59764961416160, 138630957270660855, 61097516432383695264, 9136507912315399762475, 640960712721494743924800, 25714428011251073834008815, 671549787473885210310580160, 12482727009478890399038382579}, {16929355905, 3645662646385760, 28419346240485475275, 31831806061271905232544, 10150660290582409136109725, 1346658457427860456986004800, 93626232388965159829626095415, 3965501495033292166883975844800, 113480471243172592617657936025689, 2363159328838505209525526536471200} MATHEMATICA Clear[t, n, m, i, k]; t[n_, m_] = Product[Cyclotomic[k, m + 1], {k, 1, n}]; Table[Table[t[n, m], {m, 1, n}], {n, 1, 10}]; Flatten[%] CROSSREFS Sequence in context: A000737 A192235 A148769 * A111136 A063937 A178525 Adjacent sequences:  A156288 A156289 A156290 * A156292 A156293 A156294 KEYWORD nonn,tabl,uned AUTHOR Roger L. Bagula, Feb 07 2009 STATUS approved

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Last modified June 15 20:50 EDT 2019. Contains 324145 sequences. (Running on oeis4.)