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Reinhard Zumkeller, Table of n, a(n) for n = 1..250
a252912 n = a252912_list !! (n-1)
a252912_list = filter (\x -> a098550 x == a251555 x) [1..]
Cf. A098550, A251555, A252939 (first differences).
Sequence in context: A041988 A041984 A041982 * A041992 A041990 A041996
Adjacent sequences: A252909 A252910 A252911 * A252913 A252914 A252915
Reinhard Zumkeller, Dec 25 2014