A238101 Number of canonical generators for Z_3 + Z_n.

20, 69, 367, 1494, 2642, 12967

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, A238100, A238102.

Sequence in context: A297597 A186735 A363840 * A153728 A234367 A071395

Adjacent sequences: A238098 A238099 A238100 * A238102 A238103 A238104

Keyword

nonn,more

Author

N. J. A. Sloane, Feb 25 2014

Status

approved