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A049737 a(n) = Sum_{i=0..2n} (-1)^i * T(i,2n-i), array T as in A049735. 0

%I

%S 1,17,49,125,213,361,433,617,805,1029,1345,1585,1801,2149,2461,2977,

%T 3305,3709,4013,4557,5057,5689,6085,6661,7117,8025,8689,9205,10005,

%U 10649,11281,12225,12941,13893,14449,15649,16297,17493

%N a(n) = Sum_{i=0..2n} (-1)^i * T(i,2n-i), array T as in A049735.

%K nonn

%O 0,2

%A _Clark Kimberling_

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Last modified March 26 04:58 EDT 2023. Contains 361529 sequences. (Running on oeis4.)