hops - handy operations on power series.
hops [--prec N] PROGRAMS...
hops [--prec N] (-f|--script) FILENAME
hops --tag N
hops (--dump|--update|--version|--help)
With hops
one can generate integer (or rational) sequences from programs containing power series and functional equations. See http://akc.is/hops for more information about the HOPS language and how to program in it.
Anders Claesson, http://akc.is