1,7
Cf. A067850, A127031, A127032, A127033, A127034, A127035, A127036, A127037, A127039.
Sequence in context: A003003 A049474 A076874 this_sequence A127039 A143091 A114539
Adjacent sequences: A127038 A127039 A127040 this_sequence A127042 A127043 A127044
nonn
Artur Jasinski (grafix(AT)csl.pl), Jan 03 2007
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