%I #4 Jul 27 2021 20:33:47
%S 1,8,9,13,15,20,21,22,23,24,25
%N Number the letters of English alphabet from 1 to 26; sequence specifies capital letters with left-right symmetry.
%Y Cf. A083132, A083133, A083134.
%K word,nonn,fini,full
%O 1,2
%A Croft Warn (c_warn2000(AT)yahoo.com), Jun 03 2003