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 A046163 Reduced denominators of (n-1)^2/(n^2+n+1). Arises in Routh's theorem. 5
 1, 7, 13, 7, 31, 43, 19, 73, 91, 37, 133, 157, 61, 211, 241, 91, 307, 343, 127, 421, 463, 169, 553, 601, 217, 703, 757, 271, 871, 931, 331, 1057, 1123, 397, 1261, 1333, 469, 1483, 1561, 547, 1723, 1807, 631, 1981, 2071, 721, 2257, 2353, 817, 2551, 2653 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Eric Weisstein's World of Mathematics, Routh's Theorem. FORMULA G.f.: x(x^8+x^7+x^6+4x^5+10x^4+4x^3+13x^2+7x+1)/(1-x^3)^3. CROSSREFS Cf. A046162. Sequence in context: A157517 A164929 A081257 * A130770 A158622 A215990 Adjacent sequences:  A046160 A046161 A046162 * A046164 A046165 A046166 KEYWORD nonn AUTHOR STATUS approved

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Last modified October 20 15:46 EDT 2019. Contains 328267 sequences. (Running on oeis4.)