1,2
R. E. Kutz, Two unusual sequences, Two-Year College Mathematics Journal, 12 (1981), 316-319.
The pattern is obvious.
Adjacent sequences: A007889 A007890 A007891 this_sequence A007893 A007894 A007895
Sequence in context: A002993 A011290 A129971 this_sequence A010297 A001191 A120865
nonn,easy
N. J. A. Sloane (njas(AT)research.att.com).
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