1,1
Cf. A000010, A000041, A000203.
Sequence in context: A026946 A041389 A000914 this_sequence A078982 A078993 A071244
Adjacent sequences: A086732 A086733 A086734 this_sequence A086736 A086737 A086738
nonn
Jon Perry (perry(AT)globalnet.co.uk), Jul 29 2003
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