1,1
Cf. A025475, A053705, A067023.
Sequence in context: A037445 A003036 A089818 this_sequence A049047 A037088 A153436
Adjacent sequences: A067022 A067023 A067024 this_sequence A067026 A067027 A067028
nonn
Labos E. (labos(AT)ana.sote.hu), Dec 29 2001
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