

A007698


a(n) = 22*a(n1)  3*a(n2) + 18*a(n3)  11*a(n4). Deviates from A007699 at the 1403rd term.
(Formerly M4746)


3



10, 219, 4796, 105030, 2300104, 50371117, 1103102046, 24157378203, 529034393290, 11585586272312, 253718493496142, 5556306986017175, 121680319386464850, 2664737596978110299, 58356408797678883616
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OFFSET

1,1


REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
J. Wroblewski, personal communication.


LINKS



FORMULA

O.g.f.: = x*(x2)*(5*x^2 + 2*x + 5)/(1  22*x + 3*x^2  18*x^3 + 11*x^4).  R. J. Mathar, Nov 23 2007


MATHEMATICA

LinearRecurrence[{22, 3, 18, 11}, {10, 219, 4796, 105030}, 20] (* Harvey P. Dale, Nov 09 2011 *)


CROSSREFS

Similar to but different from A007699.


KEYWORD

nonn,easy


AUTHOR



STATUS

approved



