The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A170753 Expansion of g.f.: (1+x)/(1-33*x). 50

%I #25 Sep 08 2022 08:45:49

%S 1,34,1122,37026,1221858,40321314,1330603362,43909910946,

%T 1449027061218,47817893020194,1577990469666402,52073685498991266,

%U 1718431621466711778,56708243508401488674,1871372035777249126242,61755277180649221165986,2037924146961424298477538

%N Expansion of g.f.: (1+x)/(1-33*x).

%H Kenny Lau, <a href="/A170753/b170753.txt">Table of n, a(n) for n = 0..658</a>

%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (33).

%F a(n) = Sum_{k=0..n} A097805(n,k)*(-1)^(n-k)*34^k. - _Philippe Deléham_, Dec 04 2009

%F a(0) = 1; for n>0, a(n) = 34*33^(n-1). - _Vincenzo Librandi_, Dec 05 2009

%F E.g.f.: (1/33)*(34*(exp(33*x) - 1). - _Stefano Spezia_, Oct 09 2019

%p k:=34; seq(`if`(n=0, 1, k*(k-1)^(n-1)), n = 0..25); # _G. C. Greubel_, Oct 09 2019

%t With[{k = 34}, Table[If[n==0, 1, k*(k-1)^(n-1)], {n, 0, 25}]] (* _G. C. Greubel_, Oct 09 2019 *)

%o (Python) for i in range(1001):print(i,34*33**(i-1) if i>0 else 1) # _Kenny Lau_, Aug 03 2017

%o (PARI) vector(26, n, k=34; if(n==1, 1, k*(k-1)^(n-2))) \\ _G. C. Greubel_, Oct 09 2019

%o (Magma) k:=34; [1] cat [k*(k-1)^(n-1): n in [1..25]]; // _G. C. Greubel_, Oct 09 2019

%o (Sage) k=34; [1]+[k*(k-1)^(n-1) for n in (1..25)] # _G. C. Greubel_, Oct 09 2019

%o (GAP) k:=34;; Concatenation([1], List([1..25], n-> k*(k-1)^(n-1) )); # _G. C. Greubel_, Oct 09 2019

%Y Cf. A003945.

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_, Dec 04 2009

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 17 01:45 EDT 2024. Contains 372572 sequences. (Running on oeis4.)