1,1
a(4)=4 because largest prime less than 5^3 is 121 and 125-121=4.
Sequence in context: A073127 A098604 A083172 this_sequence A089169 A087794 A050514
Adjacent sequences: A104145 A104146 A104147 this_sequence A104149 A104150 A104151
easy,nonn
Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Mar 08 2005
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