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 A378487 #9 Nov 29 2024 09:39:23 %S A378487 1,6,9,7,8,7,8,1,4,8,3,4,3,5,2,4,3,9,9,2,7,9,9,7,0,6,2,6,1,4,0,3,1,3, %T A378487 3,2,3,4,1,2,5,8,7,3,3,4,2,9,5,9,5,4,0,4,6,7,5,1,4,1,2,5,6,6,4,9,0,8, %U A378487 1,4,6,0,9,6,5,7,0,6,1,6,9,0,5,5,4,3,0,4,7,2,7,4,9,3,8,6,3,1,1,8 %N A378487 Decimal expansion of Product_{p prime} (1 + 1/p^(6/5) + 1/p^(7/5) - 1/p^2 - 1/p^(11/5) - 1/p^(12/5)) (negated). %D A378487 Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 2.6.1, p. 114. %e A378487 -16.978781483435243992799706261403133234125873342959... %o A378487 (PARI) zeta(4/5)*prodeulerrat(1 + 1/p^6 + 1/p^7 - 1/p^10 - 1/p^11 - 1/p^12, 1/5) %Y A378487 Cf. A090699, A362974, A362975, A362976, A378485, A378486. %K A378487 nonn,cons %O A378487 2,2 %A A378487 _Stefano Spezia_, Nov 28 2024