1,1
Cf. A143686, A143688
Sequence in context: A043662 A125834 A089234 this_sequence A157804 A151646 A106785
Adjacent sequences: A143684 A143685 A143686 this_sequence A143688 A143689 A143690
nonn,bref
Yasutoshi Kohmoto zbi74583.boat(AT)orange.zero.jp, Nov 13 2008, Nov 21 2008
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