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A102428 Central column of triangle A102427. 3

%I #8 Mar 13 2015 16:42:38

%S 1,3,6,28,55,286,560,3060,5985,33649,65780,376740,736281,4272048,

%T 8347680,48903492,95548245,563921995,1101716330,6540715896,

%U 12777711870,76223753060,148902215280,891794789340,1742058970275,10468434365991

%N Central column of triangle A102427.

%F a(n) = binomial(floor((5*n+2)/2), floor((n+1)/2)). - _David Wasserman_, Apr 04 2008

%t Table[Binomial[Floor[(5n+2)/2],Floor[(n+1)/2]],{n,0,30}] (* _Harvey P. Dale_, Mar 13 2015 *)

%Y Cf. A011973, A102426, A102427, A102429.

%K nonn

%O 0,2

%A _Russell Walsmith_, Jan 11 2005

%E More terms from _David Wasserman_, Apr 04 2008

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Last modified July 2 10:22 EDT 2024. Contains 373956 sequences. (Running on oeis4.)