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A097224 Nondecreasing subsequence of A020481. 2
2, 3, 3, 3, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, 7, 19, 19, 23, 31, 31, 47, 73, 103, 139, 173, 173, 173, 211, 233, 293, 313, 331, 359, 383, 389, 389, 523, 601, 727, 751, 829, 929, 997, 1039, 1093, 1163, 1321, 1427, 1583 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
c[n_] := Block[{m = 2}, While[ !PrimeQ[2n - Prime[m]], m++ ]; Prime[m]]; v={2}; Do[ p = c[n]; If[ p >= v1, v1 = p; AppendTo[v, p]; Print[p]], {n, 3, 215000000}]; v
CROSSREFS
Sequence in context: A137847 A295820 A164023 * A087418 A087731 A308172
KEYWORD
nonn
AUTHOR
Farideh Firoozbakht, Aug 09 2004
EXTENSIONS
More terms from Robert G. Wilson v, Aug 10 2004
STATUS
approved

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Last modified July 24 01:57 EDT 2024. Contains 374575 sequences. (Running on oeis4.)