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A075741 Smallest a(n)>2 such that all integers strictly between a(n)-n and a(n) are composite. 0
3, 5, 10, 11, 28, 29, 96, 97, 122, 123, 124, 125, 126, 127, 538, 539, 540, 541, 906, 907, 1150, 1151, 1350, 1351, 1352, 1353, 1354, 1355, 1356, 1357, 1358, 1359, 1360, 1361, 9586, 9587, 15720, 15721, 15722, 15723, 15724, 15725, 15726, 15727, 19654, 19655 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(5)=28 since all values strictly between 28-5=23 and 28 (i.e. 24, 25, 26 and 27) are composite and no number from 3 to 27 has this property.
CROSSREFS
Cf. A000101.
Sequence in context: A102309 A067230 A321793 * A119133 A284959 A336531
KEYWORD
nonn
AUTHOR
Henry Bottomley, Oct 17 2002
STATUS
approved

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Last modified August 11 11:30 EDT 2024. Contains 375068 sequences. (Running on oeis4.)