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.
%I A372252 #9 Apr 24 2024 12:50:53 %S A372252 0,1,8,30,100,280,728,1764,4080,9075,19580,41184,84812,171535,341600, %T A372252 671160,1303152,2503896,4766340,8997450,16856840,31366181,58001768, %U A372252 106646400,195065000,355074525,643465368,1161281394 %N A372252 a(n) = A000045(n+1)*A000292(n) (product of a Fibonacci number and a tetrahedral number). %F A372252 G.f.: -x*((x^2+1)*(x^2-4*x-1))/(x^2+x-1)^4. %Y A372252 Cf. A000045, A000292. %K A372252 nonn %O A372252 0,3 %A A372252 _Vladimir Kruchinin_, Apr 24 2024