A127754 - OEIS

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A127754

Row sums of inverse of number triangle A(n,k) = 1/L(n+1) if k <= n <= 2k, 0 otherwise, where L(n) = A000032(n).

%I #5 Sep 29 2018 18:45:00

%S 1,3,1,6,4,8,11,24,29,51,76,131,199,333,521,867,1364,2236,3571,5829,

%T 9349,15203,24476,39734,64079,103881,167761,271776,439204,711168,

%U 1149851,1861365,3010349,4872211,7881196,12754279,20633239

%N Row sums of inverse of number triangle A(n,k) = 1/L(n+1) if k <= n <= 2k, 0 otherwise, where L(n) = A000032(n).

%C Row sums of A127753.

%K nonn

%O 0,2

%A _Paul Barry_, Jan 28 2007