A233287 - OEIS

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A233287

a(n) = lcm_{i=1..n} A001177(i); partial LCM-products of Fibonacci entry points.

1, 3, 12, 12, 60, 60, 120, 120, 120, 120, 120, 120, 840, 840, 840, 840, 2520, 2520, 2520, 2520, 2520, 2520, 2520, 2520, 12600, 12600, 12600, 12600, 12600, 12600, 12600, 12600, 12600, 12600, 12600, 12600, 239400, 239400, 239400, 239400, 239400, 239400, 2633400

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OFFSET

1,2

COMMENTS

From n=3 onward it seems that lcm_{i=1..n} A001175(i) = 2*a(n).

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..1024

Index entries for sequences related to lcm's

FORMULA

a(1)=1, and for n > 1, a(n) = lcm(A001177(n), a(n-1)).

a(n) = lcm_{i=1..n} A001177(i). [the least common multiple of all terms from A001177(1) to A001177(n)]

PROG