2,2
Cf. A128796; A036289.
Sequence in context: A085502 A108828 A132187 this_sequence A063049 A131274 A074868
Adjacent sequences: A128962 A128963 A128964 this_sequence A128966 A128967 A128968
nonn
Mohammad K. Azarian (azarian(AT)evansville.edu), Apr 28 2007
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