0,7
Cf. A000055, A023359.
Adjacent sequences: A084353 A084354 A084355 this_sequence A084357 A084358 A084359
Sequence in context: A052909 A037536 A082001 this_sequence A007806 A037480 A027108
nonn
Jon Perry (perry(AT)globalnet.co.uk), Jun 22 2003
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