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!)
A132434 a(n) = A132433(n) - 33. 2

%I #6 May 12 2017 18:23:26

%S 104,1064,8744,70184,561704,4493864,35951144,287609384,2300875304,

%T 18407002664,147256021544,1178048172584,9424385380904,75395083047464,

%U 603160664379944,4825285315039784,38602282520318504,308818260162548264,2470546081300386344

%N a(n) = A132433(n) - 33.

%D V. Reeben, The highly composite numbers by Srinivasa Ramanujan and the fundamental constants of physics. J. Madras Univ., Sect. B, 51 (Ramanujan's 100th birthday issue, with a Table of h.c.n.'s up to 10^102), (1988) 88-146.

%H Colin Barker, <a href="/A132434/b132434.txt">Table of n, a(n) for n = 3..1000</a>

%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (9,-8).

%F From _Colin Barker_, May 12 2017: (Start)

%F G.f.: 8*x^3*(13 + 16*x) / ((1 - x)*(1 - 8*x)).

%F a(n) = (15*8^n - 1856) / 56 for n>2.

%F a(n) = 9*a(n-1) - 8*a(n-2) for n>4.

%F (End)

%o (PARI) Vec(8*x^3*(13 + 16*x) / ((1 - x)*(1 - 8*x)) + O(x^30)) \\ _Colin Barker_, May 12 2017

%K nonn,easy

%O 3,1

%A Vello Reeben (reeben(AT)ut.ee), Aug 25 2007

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 9 16:46 EDT 2024. Contains 372353 sequences. (Running on oeis4.)