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 A341442 #20 Feb 12 2021 17:50:16 %S A341442 4,17,11,1,200,27,88,108,16,131,189,270,124,134,25,18,11,242,59,1,157, %T A341442 168,205,221,35,195,941,283,1748,355,370,4604,1574,1998,223,413,201, %U A341442 483,232,599,2875,120,1382,108,607,1067,426,2494,1329,517,178,574,2133 %N A341442 a(n) is the position of the start of the first occurrence of prime(n) after the decimal point in the expansion of e. %F A341442 a(n) = A078197(prime(n)). - _Rémy Sigrist_, Feb 12 2021 %e A341442 The first position at which prime(1)=2 occurs to the right of the decimal point in e=2.71828... is the 4th digit after the decimal point, so a(1)=4. %t A341442 en=Characters[ToString@N[E,10000]]; %t A341442 For[x=1,x<=100,x++,Print["x=",x," ",prn=Prime[x]," ",pos=First[SequencePosition[en,Characters[ToString[prn]]]-2]]] %Y A341442 Cf. A000040, A001113, A037024, A078197, A128050. %K A341442 nonn,base %O A341442 1,1 %A A341442 _Gregory Allen_, Feb 11 2021