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A166409
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Odd numbers corresponding to the positions of zeros in A166406.
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1
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5, 13, 17, 21, 29, 33, 37, 41, 45, 53, 57, 61, 65, 69, 73, 77, 85, 89, 93, 97, 99, 101, 105, 109, 113, 117, 125, 129, 133, 137, 141, 145, 147, 149, 153, 157, 161, 165, 173, 177, 181, 185, 189, 193, 197, 201, 205, 207, 209, 213, 217, 221, 229, 233, 237, 241
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Those odd numbers 2n+1 for which the sum of i in [1,2n+1] with J(i,2n+1)=-1 is equal to the sum of i in [1,2n+1] with J(i,2n+1)=+1. Here J(i,k) is the Jacobi symbol.
Probably a union of A077425 & A165603: It is clear that A077425 is a subset of this sequence. For the remaining terms to be equal to A165603, it is at least required that the intersection of A165603 and A095100 be empty.
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CROSSREFS
| Sequence in context: A049092 A103666 A082700 * A077425 A039955 A014539
Adjacent sequences: A166406 A166407 A166408 * A166410 A166411 A166412
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KEYWORD
| nonn
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AUTHOR
| Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Oct 21 2009, Oct 22 2009
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