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A100160 Structured disdyakis triacontahedral numbers (vertex structure 5). 3

%I #13 Sep 08 2022 08:45:15

%S 1,62,299,828,1765,3226,5327,8184,11913,16630,22451,29492,37869,47698,

%T 59095,72176,87057,103854,122683,143660,166901,192522,220639,251368,

%U 284825,321126,360387,402724,448253,497090,549351,605152

%N Structured disdyakis triacontahedral numbers (vertex structure 5).

%H Vincenzo Librandi, <a href="/A100160/b100160.txt">Table of n, a(n) for n = 1..5000</a>

%F a(n) = (1/6)*(116*n^3 - 168*n^2 + 58*n).

%F G.f.: x*(1+x)*(1+57*x)/(1-x)^4. [_Colin Barker_, Apr 16 2012]

%o (Magma) [(1/6)*(116*n^3-168*n^2+58*n): n in [1..40]]; // _Vincenzo Librandi_, Jul 19 2011

%Y Cf. A100158, A100159 = alternate vertices; A100145 for more on structured polyhedral numbers.

%K easy,nonn

%O 1,2

%A James A. Record (james.record(AT)gmail.com), Nov 07 2004

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Last modified September 9 04:58 EDT 2024. Contains 375759 sequences. (Running on oeis4.)