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 A279482 #19 Sep 08 2022 08:46:18 %S A279482 3,7,18,47,246,767,4338,13687,77766,1227617,4237966,58256487, %T A279482 428504938,1397827967,8041666846,127260518217,2266556004016, %U A279482 7867304297817,108368654581246,797215157169645,2600638713977566,34961761386236715,256768195924215394 %N A279482 Sum of the first n Lucas numbers whose indices are prime. %C A279482 Partial sums of A180363. %H A279482 Vincenzo Librandi, <a href="/A279482/b279482.txt">Table of n, a(n) for n = 1..500</a> %F A279482 From _Jon E. Schoenfield_, Dec 18 2016: (Start) %F A279482 a(n) = Sum_{i=1..n} A180363(i). %F A279482 a(n) = Sum_{i=1..n} A000032(A000040(i)). (End) %t A279482 Accumulate[LucasL[Prime[Range[25]]]] %o A279482 (Magma) [&+[Lucas(NthPrime(i)): i in [1..n]]: n in [1..30]]; %Y A279482 Cf. A000032, A000040, A111136, A180363. %K A279482 nonn %O A279482 1,1 %A A279482 _Vincenzo Librandi_, Dec 13 2016