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A338450
Numbers k such that A338338(k) and A338338(k+1) are coprime.
2
1, 6, 10, 18, 37, 67, 77, 81, 90, 124, 156, 160, 185, 205, 259, 289, 330, 376, 429, 452, 492, 501, 513, 600, 609, 618, 622, 674, 683, 710, 743, 796, 821, 945, 1038, 1060, 1086, 1214, 1312, 1316, 1493, 1556, 1735, 1764, 1929, 1938, 2052, 2216, 2230, 2259, 2521
OFFSET
1,2
LINKS
EXAMPLE
gcd(A338338(6), A338338(7)) = gcd(9, 5) = 1, so 6 belongs to the sequence.
gcd(A338338(2), A338338(3)) = gcd(2, 4) = 2, so 2 does not belong to the sequence.
PROG
(C) See Links section.
CROSSREFS
Sequence in context: A079471 A134351 A307458 * A287273 A138828 A109312
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Oct 28 2020
STATUS
approved