Re: HoldForm and Sum

*To*: mathgroup at smc.vnet.net*Subject*: [mg121785] Re: HoldForm and Sum*From*: Alan <alan.isaac at gmail.com>*Date*: Sun, 2 Oct 2011 02:36:03 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <j66e8v$hbs$1@smc.vnet.net>*Reply-to*: comp.soft-sys.math.mathematica at googlegroups.com

Sum[(HoldForm[#1] &)[(-1)^Quotient[i - 1, 3]/i], {i, 1, 12}] I don't know how to maintain the order in the output ... Alan Isaac PS Is anyone else finding that posting in the web interface is unreliable?