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Decimal expansion of the "e*Pi" constant c_0*d_0 + c_1*d_1/10 + c_2*d_2/100 + c_3*d_3/1000 + ... where c_0 + c_1/10 + c_2/100 + c_3/1000 + ... and d_0 + d_1/10 + d_2/100 + d_3/1000 + ... (with c_k, d_k in the range 0 to 9) are the decimal expansions of e and Pi.
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%I #19 Sep 14 2017 15:51:51

%S 6,7,4,9,7,2,6,9,2,6,4,8,1,3,7,5,5,3,1,5,6,1,5,4,2,7,6,3,9,7,1,0,0,7,

%T 9,4,9,1,9,9,5,0,3,8,3,9,4,7,5,9,4,9,1,4,8,5,5,2,3,7,1,1,9,6,1,2,8,1

%N Decimal expansion of the "e*Pi" constant c_0*d_0 + c_1*d_1/10 + c_2*d_2/100 + c_3*d_3/1000 + ... where c_0 + c_1/10 + c_2/100 + c_3/1000 + ... and d_0 + d_1/10 + d_2/100 + d_3/1000 + ... (with c_k, d_k in the range 0 to 9) are the decimal expansions of e and Pi.

%e Equals 6.7497269264813755315615427639710079491995038394759491485523711961281...,

%e which is 6 + 7/10 + 4/10^2 + 8/10^3 + 10/10^4 + 72/10^5 + 2/10^6 + 48/10^7 + 10/10^8 + 24/10^9 + ...

%Y This is the component-wise product (in a certain sense) of A001113 and A000796 (cf. A073177). See A292107 for another version.

%Y Cf. A228239, A231325.

%K nonn,cons,base

%O 1,1

%A _N. J. A. Sloane_, Sep 12 2017