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A238100
Number of canonical generators for Z_2 + Z_n.
2
5, 20, 39, 166, 253, 974
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OFFSET
2,1
LINKS
Table of n, a(n) for n=2..7.
Bryson W. Finklea, Terri Moore, Vadim Ponomarenko and Zachary J. Turner,
Invariant polynomials and minimal zero sequences
, Involve, 1:2 (2008), pp. 159-165.
CROSSREFS
Cf.
A002956
,
A082641
,
A238101
,
A238102
.
Sequence in context:
A013337
A031082
A161445
*
A031304
A363695
A228168
Adjacent sequences:
A238097
A238098
A238099
*
A238101
A238102
A238103
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Feb 25 2014
STATUS
approved
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Last modified May 12 16:19 EDT 2024. Contains 372492 sequences. (Running on oeis4.)