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A005456 A finite sequence associated with the Lie algebra D_4. 0
1, 2, 3, 4, 10, 12, 28 (list; graph; refs; listen; history; text; 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.

LINKS

Table of n, a(n) for n=0..6.

CROSSREFS

Sequence in context: A276560 A339577 A049548 * A100773 A250112 A193775

Adjacent sequences:  A005453 A005454 A005455 * A005457 A005458 A005459

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 18 10:28 EDT 2022. Contains 353807 sequences. (Running on oeis4.)