A051541 Quotients of consecutive values of LCM {1, 5, 9, 13, 17, ..., (4n+1)}.

5, 9, 13, 17, 7, 5, 29, 11, 37, 41, 1, 7, 53, 19, 61, 1, 23, 73, 1, 9, 1, 89, 31, 97, 101, 1, 109, 113, 1, 11, 5, 43, 1, 137, 47, 1, 149, 1, 157, 1, 1, 13, 173, 59, 181, 1, 1, 193, 197, 67, 1, 1, 71, 1, 1, 1, 229, 233, 79, 241, 1, 83, 1, 257, 1, 1, 269, 1, 277

Offset: 1

Author

Asher Auel

Keywords

• easy
• nonn

Examples

			a(2) = A051539(2)/A051539(1) = 45/5 = 9.
		

Crossrefs

Cf. A051539.

Programs

Mathematica

Table[LCM@@Table[4k+1,{k,0,n}]/LCM@@Table[4k+1,{k,0,n-1}],{n,69}] (* Stefano Spezia, Dec 27 2022 *)

Formula

a(n) = A051539(n)/A051539(n-1).

Extensions

More terms from Sean A. Irvine, Sep 17 2021