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a(n) = core(A143176(n)).
1

%I #11 Feb 10 2024 03:59:42

%S 1,2,6,3,30,1,21,30,5,15,165,5,390,35,105,5,170,35,3990,70,105,770,

%T 805,2310,154,1365,21,77,22330,385,434,1155,5005,39270,10010,15015,

%U 14245,1463,30030,5005,6314,15015,215215,1001,30030,230230,705705,3003,429,6006,85085,34034,795795,51051,17017,510510,114114,29029

%N a(n) = core(A143176(n)).

%H Amiram Eldar, <a href="/A144362/b144362.txt">Table of n, a(n) for n = 1..89</a>

%Y Cf. A002110, A007913, A143176, A144361.

%K nonn

%O 1,2

%A _Reikku Kulon_, Sep 18 2008

%E a(2) corrected by _Reikku Kulon_, Sep 19 2008

%E More terms from _Max Alekseyev_, Feb 17 2011