1,2
1*11*(1*11-1)-1=109 prime so k(1)=1 P(1)=109
Cf. A141233 A141235 A141236 A141237 A141238 A141239 A141240.
Sequence in context: A049829 A137613 A165670 this_sequence A130180 A104587 A131939
Adjacent sequences: A141231 A141232 A141233 this_sequence A141235 A141236 A141237
nonn
Pierre CAMI (pierrecami(AT)tele2.fr), Jun 16 2008
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