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A005459
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A finite sequence associated with the Lie algebra E_6.
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0
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1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 20, 21, 28, 30, 35, 36, 60, 84, 156
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| E. B. Dynkin, Semisimple subalgebras of semisimple Lie algebras, Am. Math. Soc. Translations, Series 2, Vol. 6, 1957, pp. 111-244, esp. p. 211.
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CROSSREFS
| Sequence in context: A156541 A031143 A055492 * A039216 A091208 A068398
Adjacent sequences: A005456 A005457 A005458 * A005460 A005461 A005462
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KEYWORD
| nonn,fini,full
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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