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 A373176 #5 May 27 2024 15:48:56
%S A373176 2,8,30,122,548,2802,15638,100760,661242,5519558,36021212,495019758,
%T A373176 944742290,96695115272,-1151063332242,46492769525882,
%U A373176 -1177828529162332,39211350154011570,-1272035779868081338,45289997660347946648,-1679496857400789295638,65976928289858329056518
%N A373176 Expansion of e.g.f. 2*exp(sqrt(2*x+1)-1)/(2-sqrt(2*x+1))^3.
%H A373176 Y. Alp and E. G. Kocer, <a href="https://doi.org/10.1007/s00025-024-02193-5">Exponential Almost-Riordan Arrays</a>, Results Math 79, 173 (2024). See page 24.
%t A373176 a[n_]:=n!SeriesCoefficient[2Exp[Sqrt[2x+1]-1]/(2-Sqrt[2x+1])^3,{x,0,n}]; Array[a,22,0]
%Y A373176 Cf. A000806, A330797, A373175.
%K A373176 sign
%O A373176 0,1
%A A373176 _Stefano Spezia_, May 26 2024