%I #8 Feb 01 2022 23:42:17
%S 12,90,12000000000000000000
%N Largest number requiring n syllables in English (U.K.) - not well-defined, but the next term may be twelve millillion, too large to write down here.
%D John H. Conway, R. K. Guy, The Book of Numbers, Copernicus Press, p. 15.
%K word,nonn,bref
%O 1,1
%A _N. J. A. Sloane_