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A067315 Central binomial coefficient C(n, n/2) is not divisible by n. 2

%I

%S 4,6,8,10,14,16,18,20,22,24,26,28,32,34,36,38,40,42,44,46,48,50,52,54,

%T 58,60,62,64,66,68,70,72,74,76,78,80,82,86,88,92,94,96,98,100,102,104,

%U 106,108,110,112,114,116,118,120,122,124,126,128,130,134,136,138,140

%N Central binomial coefficient C(n, n/2) is not divisible by n.

%t Select[ Range[ 2, 150, 2 ], Mod[ Binomial[ #, #/2 ], # ]>0& ]

%Y Cf. A001405, A042996, A067348.

%K nonn

%O 1,1

%A _Labos Elemer_, Jan 14 2002

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Last modified August 15 00:08 EDT 2022. Contains 356122 sequences. (Running on oeis4.)