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A178441 INVERT transform of A058187, the tetrahedral numbers with repeats 0

%I

%S 1,2,7,17,46,119,311,812,2118,5530,14431,37668,98313,256602,669742,

%T 1748052,4562490,11908280,31081099,81122927,211734137,552634698,

%U 1442399007,3764720003,9826072122,25646447377

%N INVERT transform of A058187, the tetrahedral numbers with repeats

%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (2,3,-3,-3,3,1,-1).

%F G.f. 1/ ( 1-2*x-3*x^2+3*x^3+3*x^4-3*x^5-x^6+x^7 ). - R. J. Mathar, Apr 04 2012

%e a(4) = 46 = (10, 4, 4, 1, 1) dot (1, 1, 2, 7, 17) = (10 + 4 + 8 + 7 + 17)

%Y Cf. A058187

%K nonn

%O 0,2

%A _Gary W. Adamson_, Dec 22 2010

%E Corrected by _R. J. Mathar_, Apr 04 2012

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Last modified July 11 21:16 EDT 2020. Contains 335652 sequences. (Running on oeis4.)