%I #5 Apr 21 2023 23:45:16
%S 4,4,5,8,8,9,9,12,13,13,13,17,18,21,22,22,23,26,26,27,26,30,31,34,34,
%T 35,35,38,39,39,36,40,41,44,44,45,45,48,49,49,45,49,50,53,53,54,54,57,
%U 58,58,55,59,60,63,63,64,64,67,68,68,65,69,70,73,73,74,74,77,78,78,77
%N a(n) = n + number of letters in the English name of n.
%D GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See pages 49, 79, and 214.
%F a(n) = n + A005589(n)
%K nonn,word
%O 0,1
%A Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 13 2004
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