1,1
It appears that from fifth term onwards only zeros and ones are used.
Cf. A020449.
Sequence in context: A084837 A062352 A033938 this_sequence A049575 A070028 A084836
Adjacent sequences: A069595 A069596 A069597 this_sequence A069599 A069600 A069601
nonn,base
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 25 2002
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