1,1
P. De Geest, World!Of Numbers
Adjacent sequences: A027755 A027756 A027757 this_sequence A027759 A027760 A027761
Sequence in context: A099109 A024831 A122095 this_sequence A057739 A146751 A162734
nonn
Patrick De Geest (pdg(AT)worldofnumbers.com)
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