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A273062 Discriminator of the composite numbers A002808. 1
1, 3, 3, 6, 7, 7, 7, 12, 13, 13, 13, 18, 19, 19, 22, 23, 24, 25, 25, 25, 30, 31, 32, 33, 33, 36, 37, 37, 37, 42, 43, 43, 46, 47, 48, 49, 49, 52, 53, 54, 55, 55, 55, 60, 61, 62, 63, 63, 66, 67, 67, 67, 72, 73, 74, 75, 75, 78, 79, 79, 82, 83, 84, 85, 85, 88, 89, 90, 91, 92, 93, 93, 96, 97, 97, 97, 102, 103, 103, 103, 108, 109, 109, 112, 113 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The discriminator of a sequence is the least integer k such that the first n terms are pairwise incongruent, modulo k.

LINKS

Table of n, a(n) for n=1..85.

CROSSREFS

Cf. A002808.

Sequence in context: A016652 A008867 A185958 * A269170 A003879 A333885

Adjacent sequences:  A273059 A273060 A273061 * A273063 A273064 A273065

KEYWORD

nonn

AUTHOR

Jeffrey Shallit, May 14 2016

STATUS

approved

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Last modified June 23 18:45 EDT 2021. Contains 345402 sequences. (Running on oeis4.)