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A182391 Numbers n for which A104272(n) = A080359(n). 1
1, 9, 11, 18, 22, 23, 25, 30, 32, 34, 35, 37, 38, 41, 46, 47, 48, 49, 52, 53, 54, 63, 64, 66, 70, 75, 76, 79, 80, 82, 84, 94, 98, 99, 101, 102, 105, 108, 109, 110, 113, 114, 115, 124, 127, 128, 131, 135, 136, 139, 140, 148, 149, 150, 151, 154, 156, 158, 160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Number m is in the sequence iff 1) there exists only composite number k such that 2*k-1 is prime and A060715(k)=m; 2) there is no prime p such that 2*p-1 is prime and A060715(p)=m-1.

LINKS

Table of n, a(n) for n=1..59.

FORMULA

A194217(n)=0.

CROSSREFS

Cf. A104272, A080359, A164554, A193507, A194184, A194186, A194217, A182366.

Sequence in context: A111391 A077788 A137018 * A263722 A299971 A090771

Adjacent sequences:  A182388 A182389 A182390 * A182392 A182393 A182394

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, Apr 27 2012

STATUS

approved

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Last modified January 18 16:27 EST 2020. Contains 331011 sequences. (Running on oeis4.)