Template:Replicate ATGC/ing

|{{subst:Replicate ATGC/switch|{{{1}}}}}{{subst:#ifexpr:{{{n}}}=1|{{subst:rightbraces1}}{{subst:subst1}}replicate ATGC{{subst:pipe1}}n=20|{{subst:subst1}}replicate ATGC/ing{{subst:pipe1}}n={{subst:#expr:{{{n}}}-1}}}}|{{{2}}}|{{{3}}}|{{{4}}}|{{{5}}}|{{{6}}}|{{{7}}}|{{{8}}}|{{{9}}}|{{{10}}}|{{{11}}}|{{{12}}}|{{{13}}}|{{{14}}}|{{{15}}}|{{{16}}}|{{{17}}}|{{{18}}}|{{{19}}}|{{{20}}}|{{{1}}}{{subst:rightbraces}}

• These templates help strings build copies of themselves.

Substituting this template produces one or more new substitution template calls, allowing recursive change of a page, see m:Help:Recursive conversion of wikitext.