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Numerators of coefficients in a formula for the n-th composite number.
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%I #20 Mar 08 2020 17:14:32

%S 1,1,2,4,19,181

%N Numerators of coefficients in a formula for the n-th composite number.

%C Denominators are 1,1,1,1,2,6,...

%D A. E. Bojarincev, Asymptotic expressions for the n-th composite number, Univ. Mat. Zap. 6:21-43 (1967). - In Russian.

%D D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, Section VII.20.

%H J.-P. Massias and G. Robin, <a href="http://dx.doi.org/10.5802/jtnb.166">Bornes effectives pour certaines fonctions concernant les nombres premiers</a>, J. Théor. Nombres Bordeaux, 8 (1996), pp. 215-242.

%H Laurentiu Panaitopol, <a href="https://www.emis.de/journals/JIPAM/article153.html?sid=153">Some properties of the series of composed [sic] numbers</a>, Journal of Inequalities in Pure and Applied Mathematics 2:3 (2001).

%K nonn,frac,nice,more

%O 0,3

%A _N. J. A. Sloane_