A214790 - OEIS

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A214790

Numbers n such that A214789(n) = n-6.

10, 11, 19, 31, 79, 131, 179, 239, 251, 379, 419, 431, 439, 479, 499, 571, 599, 631, 659, 719, 751, 839, 971, 1019, 1091, 1171, 1259, 1319, 1559, 1619, 1759, 1811, 1831, 1879, 1931, 1979

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OFFSET

1,1

COMMENTS

It is still a conjecture that 10 is the only nonprime in this sequence. This sequence is disjoint from A214791.

LINKS

Table of n, a(n) for n=1..36.

PROG

(PARI) is(n)=my(k); while(((Mod([1, 1; 1, 0], n))^k++)[1, 2]!=-8, ); k==n-7 \\ Charles R Greathouse IV, Nov 25 2014

CROSSREFS

Cf. A214789, A214791, A214792.

Sequence in context: A341820 A296862 A225079 * A191221 A216996 A165265

Adjacent sequences: A214787 A214788 A214789 * A214791 A214792 A214793

KEYWORD

nonn

AUTHOR

Art DuPre, Aug 03 2012

STATUS

approved