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Search: 6, 12, 30, 98, 220, 308, 556, 992
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| A025018 |
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Numbers n such that least prime in Goldbach partition of n increases. |
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+20
6
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| 4, 6, 12, 30, 98, 220, 308, 556, 992, 2642, 5372, 7426, 43532, 54244, 63274, 113672, 128168, 194428, 194470, 413572, 503222, 1077422, 3526958, 3807404, 10759922, 24106882, 27789878, 37998938, 60119912, 113632822, 187852862, 335070838
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..67 (from Tomas Oliveira e Silva)
Mark A. Herkommer, Goldbach Conjecture Research
Jorg Richstein, Verifying Goldbach's Conjecture up to 4 * 10^14
Index entries for sequences related to Goldbach conjecture
Tomas Oliveira e Silva, Goldbach conjecture verification
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MATHEMATICA
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p = 1; r = {}; Do[ k = 2; While[ !PrimeQ[k] || !PrimeQ[2n - k], k++ ]; If[k > p, p = k; r = Append[r, 2n]], {n, 2, 10^8}]; r
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CROSSREFS
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Cf. A001172, A025019.
Sequence in context: A126259 A092320 A056495 this_sequence A102043 A025017 A133427
Adjacent sequences: A025015 A025016 A025017 this_sequence A025019 A025020 A025021
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KEYWORD
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nonn
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AUTHOR
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David W. Wilson (davidwwilson(AT)comcast.net)
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EXTENSIONS
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Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 13 2002
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