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A218535
Greatest common divisor of consecutive terms in A176352.
4
1, 2, 3, 3, 4, 4, 5, 5, 15, 9, 3, 5, 5, 25, 35, 14, 7, 7, 8, 4, 7, 7, 7, 14, 42, 42, 30, 18, 8, 16, 20, 10, 25, 45, 27, 27, 33, 11, 11, 11, 33, 33, 33, 24, 6, 9, 9, 12, 15, 15, 21, 21, 42, 66, 36, 108, 117, 13, 65, 91, 91, 91, 13, 13, 39, 33, 22, 22, 11, 13
OFFSET
1,2
COMMENTS
a(n) = gcd(A176352(n),A176352(n+1)).
LINKS
PROG
(Haskell)
import Data.Ratio ((%), numerator, denominator)
a218535 n = a218535_list !! (n-1)
a218535_list = zipWith gcd a176352_list $ tail a176352_list
-- .
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 10 2012
STATUS
approved