The th Monica set
is defined as the set of composite numbers
for which
, where
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(1) |
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(2) |
and
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(3) |
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(4) |
Every Monica set has an infinite number of elements.
The Monica set is a superset of the Suzanne set
.
The following table gives the first few Monica numbers in for small
.
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OEIS | ![]() |
1 | A018252 | 1, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, ... |
2 | A102218 | 4, 8, 10, 12, 14, 15, 22, 26, 27, 35, 42, 44, ... |
3 | A102219 | 9, 16, 24, 27, 28, 32, 40, 42, 49, 52, 56, 60, ... |
If is a Smith number, then it is a member of the Monica set
for all
. For any integer
, if
is a
-Smith number, then
.
REFERENCES:
Sloane, N. J. A. Sequences A018252, A102218, and A102219 in "The On-Line Encyclopedia of Integer Sequences."
Smith, M. "Cousins of Smith Numbers: Monica and Suzanne Sets." Fib. Quart. 34, 102-104, 1996.
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