1,1
Paul Cooijmans, Numbers, Item 19.
Paul Cooijmans, Short Test For Genius, Item 33.
Sequence in context: A159056 A017536 A013869 this_sequence A145686 A043660 A157610
Adjacent sequences: A122647 A122648 A122649 this_sequence A122651 A122652 A122653
nonn,bref
Herman Jamke (hermanjamke(AT)hotmail.com), Sep 21 2006
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