1,1
Cf. A126990.
Sequence in context: A146579 A146454 A059695 this_sequence A139313 A109639 A131600
Adjacent sequences: A134193 A134194 A134195 this_sequence A134197 A134198 A134199
nonn
Artur Jasinski (grafix(AT)csl.pl), Oct 13 2007
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