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A078860
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Least positive residues [mod 210] representing those residue classes which can be lesser of prime pairs from A029710.
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2
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7, 13, 19, 37, 43, 67, 79, 97, 103, 109, 127, 139, 163, 169, 187, 193
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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FORMULA
| Intersection[RRS(210), 4+RRS{210)]-4 and {7}. RRS[210]=reduced residue system of 210=first 48=phi[210] terms of A008364; additional term 7 is a singular cases; 210k+r generates complete A029710 with suitable k and r taken from these 15+1 numbers.
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MATHEMATICA
| t=Flatten[Position[Table[GCD[w, 210], {w, 1, 210}], 1]] t2=Intersection[t, t+4]-4
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CROSSREFS
| Cf. A029710, A008364, A078859.
Sequence in context: A048646 A152087 A098059 * A029710 A145897 A078863
Adjacent sequences: A078857 A078858 A078859 * A078861 A078862 A078863
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KEYWORD
| fini,full,nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Dec 13 2002
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