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Search: id:A038998
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| A038998 |
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Sublattices of index n in generic 11-dimensional lattice. |
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+0
2
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| 1, 2047, 88573, 2794155, 12207031, 181308931, 329554457, 3269560515, 5883904390, 24987792457, 28531167061, 247486690815, 149346699503, 674597973479, 1081213356763, 3571013994483, 2141993519227
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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M. Baake, "Solution of coincidence problem...", in R. V. Moody, ed., Math. of Long-Range Aperiodic Order, Kluwer 1997, pp. 9-44.
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LINKS
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Index entries for sequences related to sublattices
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FORMULA
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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
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CROSSREFS
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Cf. A001001.
Sequence in context: A062568 A075954 A011561 this_sequence A068027 A075949 A075950
Adjacent sequences: A038995 A038996 A038997 this_sequence A038999 A039000 A039001
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KEYWORD
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nonn,mult
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AUTHOR
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njas
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