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 A029676 Theta series of quadratic form with Gram matrix [ 3, 1, 0; 1, 3, 1; 0, 1, 4 ]. 1
 1, 0, 0, 4, 4, 2, 2, 4, 2, 2, 4, 6, 6, 2, 2, 2, 12, 2, 0, 14, 6, 2, 2, 4, 10, 6, 2, 14, 8, 0, 2, 12, 4, 2, 8, 8, 14, 4, 4, 8, 14, 2, 4, 14, 12, 8, 6, 2, 12, 8, 2, 16, 10, 2, 6, 16, 10, 0, 0, 16, 12, 10, 2, 12, 24, 2, 6, 20, 10, 6, 6, 8, 8, 4, 4, 24, 30, 2, 6, 14, 14, 8, 8, 12, 10, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 COMMENTS This is the triclinic P lattice (the classical holotype) of dimension 3. LINKS John Cannon, Table of n, a(n) for n = 0..10000 G. Nebe and N. J. A. Sloane, Home page for this lattice EXAMPLE 1 + 4*q^3 + 4*q^4 + 2*q^5 + 2*q^6 + 4*q^7 + 2*q^8 + 2*q^9 + 4*q^10 + 6*q^11 + ... CROSSREFS Sequence in context: A038800 A126712 A162232 * A105190 A002581 A161778 Adjacent sequences: A029673 A029674 A029675 * A029677 A029678 A029679 KEYWORD nonn AUTHOR STATUS approved

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Last modified November 26 18:12 EST 2022. Contains 358362 sequences. (Running on oeis4.)