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 A085896 Group the natural numbers such that the product of the n-th group is divisible by 2^n . (1), (2) (3,4), (5,6,7,8), (9,10,11,12,13,14,),(15,16,17,18),... Sequence contains the number of terms in each group. 3

%I

%S 1,1,2,4,6,4,6,8,10,10,12,14,12,14,16,14,18,18,20,18,22,22,20,24,24,

%T 28,28,26,30,32,32,30,34,34,36,34,40,40,38,40,42,42,44,42,42,46,48,48,

%U 48,52,48,52,54,54,52,60,56,58,58,58,62,64,64,62,66,66,68,66,72,72,72,74

%N Group the natural numbers such that the product of the n-th group is divisible by 2^n . (1), (2) (3,4), (5,6,7,8), (9,10,11,12,13,14,),(15,16,17,18),... Sequence contains the number of terms in each group.

%Y Cf. A085895, A085897, A085898.

%K nonn

%O 0,3

%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jul 10 2003

%E More terms from _Ray Chandler_, Sep 13 2003

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Last modified June 19 03:06 EDT 2021. Contains 345125 sequences. (Running on oeis4.)