1,1
Cf. A123728.
Sequence in context: A090944 A007340 A122483 this_sequence A123728 A012785 A012818
Adjacent sequences: A123726 A123727 A123728 this_sequence A123730 A123731 A123732
nonn
Yasutoshi Kohmoto zbi74583(AT)boat.zero.ad.jp, Nov 18 2006
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