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A005423 A finite sequence associated with the Lie algebra A_6. 0
1, 2, 3, 4, 5, 6, 8, 10, 11, 14, 20, 21, 35, 56 (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..13.

CROSSREFS

Sequence in context: A000933 A253012 A036409 * A067319 A086049 A328208

Adjacent sequences:  A005420 A005421 A005422 * A005424 A005425 A005426

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 21 01:33 EST 2019. Contains 329349 sequences. (Running on oeis4.)