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 A192735 Left edge of the triangle in A033291. 4
 1, 2, 6, 16, 30, 54, 91, 136, 198, 280, 374, 492, 637, 798, 990, 1216, 1462, 1746, 2071, 2420, 2814, 3256, 3726, 4248, 4825, 5434, 6102, 6832, 7598, 8430, 9331, 10272, 11286, 12376, 13510, 14724, 16021, 17366, 18798, 20320, 21894, 23562, 25327, 27148, 29070 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a(n) = A087483(n-2) * n. LINKS Index entries for linear recurrences with constant coefficients, signature (2,-1,2,-4,2,-1,2,-1). FORMULA G.f.: x*(x^2+1)*(2*x^4+4*x^3+2*x^2+1) / ((x-1)^4*(x^2+x+1)^2). - Colin Barker, Mar 31 2013 MAPLE A192735 := proc(n)     A087483(n-2)*n ; end proc: seq(A192735(n), n=1..10) ; # R. J. Mathar, Aug 10 2017 PROG (Haskell) See A033291. CROSSREFS Cf. A192736. Sequence in context: A230853 A160620 A005996 * A330503 A171218 A032091 Adjacent sequences:  A192732 A192733 A192734 * A192736 A192737 A192738 KEYWORD nonn AUTHOR Reinhard Zumkeller, Jul 08 2011 STATUS approved

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Last modified June 19 03:38 EDT 2021. Contains 345125 sequences. (Running on oeis4.)