1,1
Perhaps there are no more terms?
Cf. A000959, A039669.
Adjacent sequences: A057649 A057650 A057651 this_sequence A057653 A057654 A057655
Sequence in context: A109556 A090952 A128949 this_sequence A070316 A023597 A045957
nonn
Naohiro Nomoto (6284968128(AT)geocities.co.jp), Oct 14 2000
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