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A231578 Sequence of pairs k,g such that k is the smallest and k*2^n+1-g, k*2^n+1, k*2^n+1+g are three consecutive primes in arithmetic progression. 2
105, 12, 1, 2, 219, 6, 37, 6, 245, 12, 109, 6, 39, 6, 1, 6, 245, 12, 669, 6, 9, 6, 45, 12, 5, 12, 1413, 6, 297, 6, 37, 6, 2019, 18, 603, 24, 467, 6, 897, 6, 303, 6, 1687, 12, 77, 30, 1437, 6, 711, 36, 2293, 6, 315, 42, 525, 12, 1799, 12, 4137, 30, 1019, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Pierre CAMI, Table of n, a(n) for n = 1..1300

Pierre CAMI, PFGW Script

EXAMPLE

1*2^8+1-6=251, 1*2^8+1=257, 1*2^8+1+6=263, so the pair for n=8 is 1,6.

CROSSREFS

Cf. A231576.

Sequence in context: A282188 A271764 A069172 * A104437 A112814 A058179

Adjacent sequences:  A231575 A231576 A231577 * A231579 A231580 A231581

KEYWORD

nonn

AUTHOR

Pierre CAMI, Nov 11 2013

STATUS

approved

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Last modified August 7 19:28 EDT 2020. Contains 336279 sequences. (Running on oeis4.)