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 A038998 Sublattices of index n in generic 11-dimensional lattice. 1
 1, 2047, 88573, 2794155, 12207031, 181308931, 329554457, 3269560515, 5883904390, 24987792457, 28531167061, 247486690815, 149346699503, 674597973479, 1081213356763, 3571013994483, 2141993519227 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 REFERENCES M. Baake, "Solution of coincidence problem...", in R. V. Moody, ed., Math. of Long-Range Aperiodic Order, Kluwer 1997, pp. 9-44. LINKS FORMULA f(Q, n)=Sum d*f(Q-1, d), d|n; here Q=11. Multiplicative with a(p^e) = product (p^(e+k)-1)/(p^k-1), k=1..10. Dirichlet g.f. product_{k=0..Q-1} zeta(s-k). CROSSREFS Cf. A001001. Sequence in context: A075954 A011561 A160960 * A068027 A075949 A075950 Adjacent sequences:  A038995 A038996 A038997 * A038999 A039000 A039001 KEYWORD nonn,mult AUTHOR EXTENSIONS Offset set to 1. - R. J. Mathar, Apr 01 2011 STATUS approved

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Last modified June 18 06:56 EDT 2019. Contains 324203 sequences. (Running on oeis4.)