problem with append

*To*: mathgroup at smc.vnet.net*Subject*: [mg129523] problem with append*From*: Paolo cachecho <paolocach at gmail.com>*Date*: Sun, 20 Jan 2013 01:21:48 -0500 (EST)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*Delivered-to*: l-mathgroup@wolfram.com*Delivered-to*: mathgroup-newout@smc.vnet.net*Delivered-to*: mathgroup-newsend@smc.vnet.net

hello i am new to mathmatica.i have the following problem if anyone could help. For[a = 2, a < 6, a++, For[b = 2, b < 6, b++, Appendto[rr = {}, a^b]]] rr but rr remains empty. how can i solve this thank you

**Follow-Ups**:**Re: problem with append***From:*Adriano Pascoletti <adriano.pascoletti@uniud.it>

**Re: problem with append***From:*Tomas Garza <tgarza10@msn.com>

**Re: problem with append***From:*christopher arthur <chris.arthur1@gmail.com>

**Re: problem with append***From:*bsyehuda@gmail.com

**Re: problem with append***From:*Murray Eisenberg <murray@math.umass.edu>

**Re: problem with append***From:*Nigel King <nigel.king@cambiumnetworks.com>

**Re: problem with append***From:*Bob Hanlon <hanlonr357@gmail.com>