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A273820 Least common multiple of (2^n, 2^n + 1, ..., 2^(n+1) - 1). 0

%I

%S 1,6,420,360360,72201776446800,591133442051411133755680800,

%T 6676878045498705789701874602220118271269436344024536000

%N Least common multiple of (2^n, 2^n + 1, ..., 2^(n+1) - 1).

%t Table[LCM@@Table[2^n+i, {i, 0, 2^n-1}], {n, 0, 7}] (* _Waldemar Puszkarz_, May 31 2016 *)

%o (Sage) [lcm([2^n+i for i in [0..2^n-1]]) for n in [0..10]] # _Tom Edgar_, May 31 2016

%o (PARI) a(n)=lcm([2^n..2^(n+1)-1]) \\ _Charles R Greathouse IV_, Jun 08 2016

%K nonn

%O 0,2

%A _Jeffrey Shallit_, May 31 2016

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Last modified May 8 13:26 EDT 2021. Contains 343666 sequences. (Running on oeis4.)