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Sum of distinct orders of degree-n even permutations.
0

%I #9 Aug 17 2024 01:34:47

%S 1,1,4,6,11,15,28,43,74,103,148,213,296,476,679,990,1133,1707,2225,

%T 3260,4591,6042,7343,9374,13774,18262,25244,30379,39768,47295,66471,

%U 87903,115570,139802,173605,215878,271434,369256,466904,569623,664775

%N Sum of distinct orders of degree-n even permutations.

%e Set of orders of all degree 5 even permutations is {1,2,3,5} so a(5)=1+2+3+5=11.

%Y Cf. A060014, A060015, A060179.

%K easy,nonn

%O 1,3

%A _Vladeta Jovovic_, Mar 19 2001

%E More terms from _David Wasserman_, May 29 2002