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%I #21 Feb 17 2024 10:29:37
%S 16,27,38,49,510,611,712,813,914,1015,1116,1217,1318,1419,1520,1621,
%T 1722,1823,1924,2025,2126,2227,2328,2429,2530,2631,2732,2833,2934,
%U 3035,3136,3237,3338,3439,3540,3641,3742,3843,3944,4045,4146,4247
%N Concatenation of n and n + 5 or {n,n+5}.
%Y Cf. A001704, A020338.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, May 15 1998
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