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Row sums of number triangle A124816.
1

%I #2 Mar 30 2012 18:59:18

%S 1,1,1,3,4,12,19,56,97,284,519,1516,2871,8380,16281,47517,94117,

%T 274733,552458,1613119,3283615,9590965,19720434,57620008,119480043,

%U 349217316,729363169,2132461957,4481537753,13106711534

%N Row sums of number triangle A124816.

%K nonn

%O 0,4

%A _Paul Barry_, Nov 08 2006