1,2
V. A. Liskovets, Some easily derivable sequences, J. Integer Sequences, 3 (2000), #00.2.2.
Average of A000273 and A002499.
Sequence in context: A093011 A057865 A121921 this_sequence A130589 A041591 A001150
Adjacent sequences: A054930 A054931 A054932 this_sequence A054934 A054935 A054936
nonn,easy,more
njas, May 24 2000
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