1,1
Subset of A031476. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 20 2008]
Sequence in context: A043367 A023740 A031476 this_sequence A045295 A045280 A045250
Adjacent sequences: A045202 A045203 A045204 this_sequence A045206 A045207 A045208
nonn,base
Clark Kimberling (ck6(AT)evansville.edu)
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