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A059874 The lexicographically earliest sequence of binary encodings of solutions satisfying the equation p_i = (1+mod(i,2))*p_{i-1} +- p_{i-2} +- p_{i-3} +- ... +- 2 + 1, where p_i is the i-th prime number. 4
1, 3, 5, 13, 21, 51, 83, 175, 303, 639, 1143, 2539, 4571, 9711, 17903, 36735, 69499, 143339, 270327, 556031, 1080315, 2195431, 4259819, 8646647, 17031163, 34078647, 67632893, 136282091, 270467055, 541064701, 1077935867, 2162163707, 4311220203, 8623484927 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
I.e. like A059873, but the encodings must be "odd", with the least significant bit set. I do not know whether this sequence can be extended infinitely.
LINKS
CROSSREFS
Sequence in context: A059872 A059873 A239314 * A059875 A284357 A283583
KEYWORD
nonn
AUTHOR
Antti Karttunen, Feb 05 2001
EXTENSIONS
More terms from Naohiro Nomoto, Sep 12 2001
More terms from Sean A. Irvine, Oct 13 2022
STATUS
approved

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)