A377777 - OEIS

%I #5 Nov 13 2024 17:25:22

%S 1,2,3,0,5,0,7,0,0,0,11,0,13,0,0,0,17,0,209,0,0,0,23,0,25,0,0,0,29,0,

%T 341,0,0,0,175,0,37,0,0,0,41,0,43,0,0,0,47,0,931,0,0,0,53,0,1045,0,0,

%U 0,1829,0,61,0,0,0,1105,0,67,0,0,0,71,0,803,0,0,0

%N Least ludic multiple of n, or 0 if no such multiple exists.

%C a(n) is the least multiple of n that is in A003309, or 0 if no multiple of n is in A003309.

%C a(n) = 0 if n > 3 is a multiple of 2 or a multiple of 3.

%H Pontus von Brömssen, <a href="/A377777/b377777.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = n*A377778(n).

%Y Cf. A003309, A377775, A377778.

%K nonn

%O 1,2

%A _Pontus von Brömssen_, Nov 07 2024