A023553 Convolution of integers >= 3 and Lucas numbers.
3, 13, 29, 58, 106, 186, 317, 531, 879, 1444, 2360, 3844, 6247, 10137, 16433, 26622, 43110, 69790, 112961, 182815, 295843, 478728, 774644, 1253448, 2028171, 3281701, 5309957, 8591746
Offset: 1
Keywords
Crossrefs
Cf. A000204 (Lucas numbers).
Programs
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Mathematica
Flatten[Table[ListConvolve[Range[3,n+2],LucasL[Range[n]]],{n,30}]] (* Harvey P. Dale, Sep 25 2015 *)
Formula
G.f.: (x*(3 + 4*x - 4*x^2))/((1 - x - x^2)*(1-x)^2). - Ralf Stephan, Apr 28 2004
a(n) = a(n-1) + a(n-2) + 3*n + 4. - Christian Krause, Dec 07 2023