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A345126 a(1) = 1; thereafter, a(n) = A073327(a(n-1)), using the British English version of A073327 when there is a choice.

%I A345126 #52 May 02 2022 22:02:59
%S A345126 1,34,160,224,318,222,316,245,277,326,308,198,263,304,209,193,270,261,
%T A345126 282,283,281,259,259,259,259,259,259,259,259,259,259,259,259,259,259,
%U A345126 259,259,259,259,259,259,259,259,259,259,259,259,259,259,259,259,259,259
%N A345126 a(1) = 1; thereafter, a(n) = A073327(a(n-1)), using the British English version of A073327 when there is a choice.
%C A345126 This sequence uses UK English names (e.g., one hundred and one).
%C A345126 Theorem: All nonnegative integers eventually reach either the fixed point 251, the fixed point 259, or the five-cycle 248, 284, 285, 267, 313.
%e A345126 a(1) =   1 = ONE                   => A073327(1)   =  34,
%e A345126 a(2) =  34 = THIRTY FOUR           => A073327(34)  = 160,
%e A345126 a(3) = 160 = ONE HUNDRED AND SIXTY => A073327(160) = 224, and so on.
%o A345126 (PARI) lista(nn) = {my(x=1); for (n=1, nn, x = A073327(x); print1(x, ", "););} \\ _Michel Marcus_, Jul 01 2021; using PARI for A073327
%Y A345126 Cf. A073327, A345157.
%Y A345126 See also A345240 (a Spanish version).
%K A345126 nonn,word
%O A345126 1,2
%A A345126 _Paul Duckett_, Jun 08 2021
%E A345126 Edited by _N. J. A. Sloane_, Jun 09 2021
%E A345126 Corrected (at the suggestion of Stephen Cornelius) and extended by _Sean A. Irvine_, May 01 2022