1,1
Apart from initial term, same as A002476 = A007645 \ {2} = A045331 \ {2,3}. - Maximilian Hasler, Apr 25 2008
Cf. A002476, A007645, A045331.
Sequence in context: A138646 A118755 A106011 this_sequence A138042 A053977 A079381
Adjacent sequences: A045372 A045373 A045374 this_sequence A045376 A045377 A045378
nonn
njas
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