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A238100 Number of canonical generators for Z_2 + Z_n. 2
5, 20, 39, 166, 253, 974 (list; graph; refs; listen; history; text; internal format)
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 A228168 A178977

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 October 19 09:22 EDT 2021. Contains 348074 sequences. (Running on oeis4.)