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A005457 A finite sequence associated with the Lie algebra D_5. 0
1, 2, 3, 4, 6, 10, 11, 12, 20, 28, 30, 60 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

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.

CROSSREFS

Sequence in context: A047417 A066936 A067027 * A005453 A180242 A187966

Adjacent sequences:  A005454 A005455 A005456 * A005458 A005459 A005460

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 06:58 EST 2012. Contains 205577 sequences.