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A071056 Smallest number m such that m = p(i) mod p(i)^2 for 1<=i<=n. +0
1
2, 30, 30, 40530, 4626930, 127357230, 198523555230, 24957467264730, 38787559738857930, 6210320711698633530, 36463596777769821089430, 44001853246673879187761130, 67005904883201525523410858730 (list; graph; listen)
OFFSET

1,1

COMMENT

p(i)^2 is the least composite whose GCD is 1 for all previous composites.

MATHEMATICA

Needs["NumberTheory`NumberTheoryFunctions`"]; Table[p = Table[Prime[i], {i, 1, n}]; ChineseRemainder[p, p^2], {n, 1, 15}]

CROSSREFS

Cf. A053664.

Sequence in context: A087194 A058988 A078690 this_sequence A075716 A022377 A145290

Adjacent sequences: A071053 A071054 A071055 this_sequence A071057 A071058 A071059

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), May 25 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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