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A068072
Number of Pluperfect Digital Invariants base n.
0
1, 5, 11, 17, 30, 59, 62, 58, 88, 134, 87, 201, 103, 202, 293
OFFSET
2,2
REFERENCES
Lionel E. Deimel and Michael T. Jones: Finding Pluperfect Digital Invariants: Techniques, Results and Observations, Journal of Recreational Mathematics 14, 1981-82, pp. 87-107.
CROSSREFS
Cf. A016087.
Sequence in context: A230138 A231652 A321792 * A136292 A088046 A155882
KEYWORD
base,hard,more,nonn
AUTHOR
Robert G. Wilson v, Feb 28 2002
STATUS
approved