cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A233397 a(n) = floor(n^n / 3^n).

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%I A233397 #12 Mar 25 2025 14:49:54
%S A233397 1,0,0,1,3,12,64,376,2557,19683,169350,1610592,16777216,189970982,
%T A233397 2323244584,30517578125,428528437130,6405755132013,101559956668416,
%U A233397 1702215647540101,30072865982171749,558545864083284007,10880062101736647492,221794805104450672070
%N A233397 a(n) = floor(n^n / 3^n).
%o A233397 (Python)
%o A233397 for n in range(33):  print(n**n // 3**n, end=', ')
%Y A233397 Cf. A000244, A000312, A233203.
%K A233397 nonn
%O A233397 0,5
%A A233397 _Alex Ratushnyak_, Dec 08 2013