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A327693
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Triangle read by rows: T(n,k) is the number of n-bead necklace structures which are not self-equivalent under a nonzero rotation using exactly k different colored beads.
(history;
published version)
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#16 by N. J. A. Sloane at Wed Oct 30 20:01:49 EDT 2019
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#15 by Andrew Howroyd at Wed Oct 30 16:05:54 EDT 2019
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#14 by Andrew Howroyd at Wed Oct 30 15:57:59 EDT 2019
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| NAME
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Triangle read by rows: T(n,k) is the number of n-bead necklace structures using exactly k different colored beads thatwhich are not self-equivalent under a nonzero rotation using exactly k different colored beads.
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| CROSSREFS
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Cf. A324802 (if must not be self-equivalent tounder reversal + and rotations).
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#13 by Andrew Howroyd at Wed Oct 30 15:55:05 EDT 2019
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| CROSSREFS
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Cf. A324802 (if must not be self-equivalent to reversal + rotations).
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#12 by Andrew Howroyd at Tue Oct 29 13:02:25 EDT 2019
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#11 by Alois P. Heinz at Thu Oct 03 20:41:28 EDT 2019
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#10 by Andrew Howroyd at Thu Oct 03 19:48:27 EDT 2019
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#9 by Andrew Howroyd at Thu Oct 03 19:44:44 EDT 2019
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| LINKS
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Andrew Howroyd, <a href="/A327693/b327693.txt">Table of n, a(n) for n = 1..1275</a>
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| STATUS
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approved
editing
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#8 by Susanna Cuyler at Sun Sep 22 20:44:14 EDT 2019
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#7 by Andrew Howroyd at Sun Sep 22 18:17:28 EDT 2019
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