A075741 - OEIS

A075741

Smallest a(n)>2 such that all integers strictly between a(n)-n and a(n) are composite.

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

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..46.

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

Adjacent sequences: A075738 A075739 A075740 * A075742 A075743 A075744

KEYWORD

nonn

AUTHOR

Henry Bottomley, Oct 17 2002

STATUS

approved