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 A104126 #15 Dec 12 2021 15:44:05
%S A104126 8,81,15625,5764801,3138428376721,3937376385699289,
%T A104126 14063084452067724991009,37589973457545958193355601,
%U A104126 480250763996501976790165756943041
%N A104126 a(n) = prime(n)^(prime(n)+1).
%C A104126 Sum of reciprocals rapidly converges to 0.1374098524791901212366977116..
%C A104126 A182938(a(n)) = 0. [_Reinhard Zumkeller_, Feb 18 2012]
%H A104126 Reinhard Zumkeller, <a href="/A104126/b104126.txt">Table of n, a(n) for n = 1..75</a>
%t A104126 #^(#+1)&/@Prime[Range[10]] (* _Harvey P. Dale_, Dec 12 2021 *)
%o A104126 (PARI) ptopp1(n) = { local(x,y,z,sr=0); forprime(x=1,n, y=x^(x+1); z=(x+1)^x; sr+=1./y; print1(y","); ); print(); print(sr) }
%o A104126 (Haskell)
%o A104126 a104126 n = p ^ (p + 1) where p = a000040 n
%o A104126 -- _Reinhard Zumkeller_, Feb 18 2012
%Y A104126 Cf. A051674, A000040.
%K A104126 easy,nonn
%O A104126 1,1
%A A104126 _Cino Hilliard_, Mar 06 2005
%E A104126 Offset corrected by _Reinhard Zumkeller_, Feb 18 2012