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A127768
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Row sums of the inverse of number triangle A(n,k)=if(k<=n,if(n<=2k,1/C(n),0),0), C(n)=A000108(n).
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2
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1, 1, 1, 4, 9, 29, 90, 301, 1001, 3441, 11934, 42019, 149226, 534978, 1931540, 7020706, 25662825, 94288121, 347993910, 1289627931, 4796857230, 17902158534, 67016296620, 251577092029, 946844533674
(list; graph; refs; listen; history; internal format)
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