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A047806 Theta series of Niemeier lattice of type A_9^2*D_6. 1
1, 240, 190800, 16833600, 397680720, 4630540320, 34416204480, 187485916800, 814900050000, 2975524213680, 9486523478880, 27053074226880, 70486147972800, 169930956669600, 384163682797440, 820166912933760 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

This series is the q-expansion of 13/18 E_4(z)^3 + 5/18 E_6(z)^2. Cf. A004009, A013973. - Daniel D. Briggs, Nov 25 2011

CROSSREFS

Cf. A008696. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 18 2008]

Sequence in context: A052263 A035281 A008696 * A184888 A158792 A028678

Adjacent sequences:  A047803 A047804 A047805 * A047807 A047808 A047809

KEYWORD

nonn,easy

AUTHOR

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

EXTENSIONS

More terms from Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), Jul 05 2000

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Last modified February 14 23:04 EST 2012. Contains 205686 sequences.