defining a recursive formula?

*To*: mathgroup at smc.vnet.net*Subject*: [mg54869] defining a recursive formula?*From*: "lou zion" <illuzioner at adelphia.net>*Date*: Fri, 4 Mar 2005 05:08:04 -0500 (EST)*Reply-to*: "lou zion" <illuzioner at adelphia.net>*Sender*: owner-wri-mathgroup at wolfram.com

can someone help me represent the following? i have a quantity p[R_] := i* R -a i need to compute F[N_] := p[p[p[p[p[R]]]]] to N levels deep. how can i do this? thanks! lou

**Follow-Ups**:**Re: defining a recursive formula?***From:*DrBob <drbob@bigfoot.com>