The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A152134 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A152134

Maximal length of rook tour on an n X n+3 board.
(history; published version)

#21 by Peter Luschny at Thu Apr 20 04:23:50 EDT 2023

STATUS

reviewed

approved

#20 by Joerg Arndt at Thu Apr 20 02:11:50 EDT 2023

STATUS

proposed

reviewed

#19 by Michel Marcus at Thu Apr 20 01:41:35 EDT 2023

STATUS

editing

proposed

#18 by Michel Marcus at Thu Apr 20 01:41:33 EDT 2023

CROSSREFS

Cf. A006071, A152132, A152133, A152134, A152135.

STATUS

proposed

editing

#17 by Michel Marcus at Thu Apr 20 01:41:20 EDT 2023

STATUS

editing

proposed

#16 by Michel Marcus at Thu Apr 20 01:41:17 EDT 2023

LINKS

<a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (3,-3,1,1,-3,3,-1).

AUTHOR

_R. J. Mathar, _, Mar 22 2009

STATUS

approved

editing

#15 by Charles R Greathouse IV at Thu Sep 08 08:45:39 EDT 2022

PROG

(MAGMAMagma) I:=[8, 24, 54, 102, 174, 270, 396]; [n le 7 select I[n] else 3*Self(n-1)-3*Self(n-2)+Self(n-3)+Self(n-4)-3*Self(n-5)+3*Self(n-6)-Self(n-7): n in [1..40]]; // Vincenzo Librandi, Dec 19 2012

Discussion

Thu Sep 08

08:45

OEIS Server: https://oeis.org/edit/global/2944

#14 by Susanna Cuyler at Mon Feb 19 22:02:13 EST 2018

STATUS

proposed

approved

#13 by Andrew Howroyd at Mon Feb 19 21:49:58 EST 2018

STATUS

editing

proposed

#12 by Andrew Howroyd at Mon Feb 19 21:44:51 EST 2018

FORMULA

a(n) = 17*n/6+3/4+2*n^3/3+3*n^2+A132429(n+3)/4. [From _- _R. J. Mathar_, Sep 27 2009]

CROSSREFS

Cf. A006071, A152132-, A152133, A152134, A152135.