PROG
(MAGMAMagma) [n : n in [0..150] | n mod 6 in [0, 2, 5]]; // Wesley Ivan Hurt, Jun 13 2016
(MAGMAMagma) [n : n in [0..150] | n mod 6 in [0, 2, 5]]; // Wesley Ivan Hurt, Jun 13 2016
reviewed
approved
proposed
reviewed
editing
proposed
Sum_{n>=2} (-1)^n/a(n) = log(2)/3 + log(2+sqrt(3))/(2*sqrt(3)) - (3-sqrt(3))*Pi/18. - Amiram Eldar, Dec 14 2021
approved
editing
reviewed
approved
proposed
reviewed
editing
proposed
E.g.f.: (3 + (6*x - 5)*exp(x) + 2*cos(sqrt(3)*x/2)*(cosh(x/2) - sinh(x/2)))/3. - Ilya Gutkovskiy, Jun 14 2016
proposed
editing
editing
proposed