1,5
Cf. A163259.
Sequence in context: A082121 A078323 A099255 this_sequence A073112 A070425 A163842
Adjacent sequences: A163257 A163258 A163259 this_sequence A163261 A163262 A163263
nonn
Mats Granvik (mats.granvik(AT)abo.fi), Jul 23 2009
Corrected a(20). Mats Granvik (mats.granvik(AT)abo.fi), Jul 24 2009
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