1,1
C. Kimberling, Problem 10520 in Amer. Math. Mon. 103 (1996) p. 347.
Sequence in context: A138327 A057244 A035487 this_sequence A078476 A099056 A046691
Adjacent sequences: A020963 A020964 A020965 this_sequence A020967 A020968 A020969
nonn
Clark Kimberling (ck6(AT)evansville.edu)
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