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

Offset: 1

Author

Antti Karttunen, Dec 13 2013

Keywords

• nonn

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

Crossrefs

Records occur at A233282. Cf. also A233283, A233284, A233285, A001175..A001177, A035105.

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)]