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Search: id:A000696
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| A000696 |
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Numbers n such that (1,n) is "good".
(Formerly M4397 N1853)
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+0
1
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| 1, 7, 31, 37, 109, 121, 127, 133, 151, 157, 403, 421, 511, 529, 631, 637, 661, 679, 1579, 1621, 1633, 1969, 1981, 2017, 2041, 2047, 2053, 2071, 2077, 2143, 2149, 2167
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OFFSET
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1,2
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COMMENT
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Let S be the set of nonnegative integers whose base 4 representation does not contain the digits 2 or 3. A pair (M,N) of nonnegative integers is called "good" if every nonnegative integer can be represented uniquely in the form M*s_1 - N*s_2 where s_1 and s_2 are in S.
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REFERENCES
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N. G. de Bruijn, Some direct decompositions of the set of integers, Math. Comp., 18 (1964), 537-546.
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CROSSREFS
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Cf. A000695.
Adjacent sequences: A000693 A000694 A000695 this_sequence A000697 A000698 A000699
Sequence in context: A122654 A103630 A040064 this_sequence A128028 A000921 A135659
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KEYWORD
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nonn
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AUTHOR
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njas
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