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%I #8 Mar 14 2020 05:56:22
%S 22,44,16,64,46,66,24,14,16,36,84,84,36,24,54,74,26,16,96,14,26,16,16,
%T 26,26,26,46,24,24,26,34,84,66,24,46,36,66,26,46,64,14,64,16,66,14,86,
%U 16
%N Concatenation of initial and final digits of n-th even superperfect number A061652(n).
%C Also, concatenation of initial and final digits of n-th superperfect number A019279(n), if there are no odd superperfect numbers.
%C Also, concatenation of A138124(n) and A138125(n).
%Y Cf. A019279, A061652, A073729, A138124, A138125, A138838, A138840, A138841, A138843, A138844.
%K nonn,base,more,less
%O 1,1
%A _Omar E. Pol_, Apr 02 2008
%E More terms from _Jinyuan Wang_, Mar 14 2020
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