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A074870 Smallest interprimes of the form n*prime. 0
4, 6, 12, 15, 12, 21, 56, 18, 30, 473, 60, 26, 42, 30, 176, 34, 198, 4883, 60, 42, 154, 69, 72, 50, 754, 81, 56, 667, 60, 93, 64, 99, 102, 105, 72, 111, 76, 195, 120, 205, 462, 86, 1364, 225, 138, 3337, 144, 2303, 1505, 102, 260, 1537, 108, 165, 1624, 399, 754 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

Interprimes of the form n*prime are in A075277-A075296 ( n = 2 - 21 ). Case n=1 is impossible. First 20 terms in the sequence are first terms in A075277-A075296.

LINKS

Table of n, a(n) for n=2..58.

EXAMPLE

a(8)=56 because 56 is the smallest interprime of the form 8*prime.

CROSSREFS

Cf. A075277-A075296.

Sequence in context: A011979 A058219 A131863 * A251630 A256241 A247632

Adjacent sequences:  A074867 A074868 A074869 * A074871 A074872 A074873

KEYWORD

easy,nonn

AUTHOR

Zak Seidov, Sep 12 2002

STATUS

approved

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Last modified June 18 17:05 EDT 2019. Contains 324214 sequences. (Running on oeis4.)