%I
%S 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,20,21,24,28,29,30,31,35,36,38,39,
%T 56,60,61,62,63,84,110,111,156,159,231,399
%N A finite sequence associated with the Lie algebra E_7.
%D E. B. Dynkin, Semisimple subalgebras of semisimple Lie algebras, Am. Math. Soc. Translations, Series 2, Vol. 6, 1957, pp. 111244, esp. p. 211.
%K nonn,fini,full
%O 0,2
%A _N. J. A. Sloane_.
