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Revision History for A018836 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A018836 Number of squares on infinite chessboard at <= n knight's moves from a fixed square.
(history; published version)
#52 by Michael De Vlieger at Thu Mar 14 18:11:57 EDT 2024
STATUS

proposed

approved

#51 by Robert C. Lyons at Thu Mar 14 17:40:50 EDT 2024
STATUS

editing

proposed

#50 by Robert C. Lyons at Thu Mar 14 17:40:44 EDT 2024
MATHEMATICA

CoefficientList[Series[(1 + 5*x + 12*x^2 - 8*x^4 + 4*x^5)*(1 + x)/(1 - x)^3, {x, 0, 40}], x] (* Vincenzo Librandi, Dec 26 2012 *)

PROG

CoefficientList[Series[(1 + 5*x + 12*x^2 - 8*x^4 + 4*x^5)*(1 + x)/(1 - x)^3, {x, 0, 40}], x] (* Vincenzo Librandi, Dec 26 2012 *)

STATUS

approved

editing

#49 by Amiram Eldar at Fri Jul 21 03:43:07 EDT 2023
STATUS

reviewed

approved

#48 by Joerg Arndt at Fri Jul 21 01:55:20 EDT 2023
STATUS

proposed

reviewed

#47 by Michel Marcus at Thu Jul 20 13:22:05 EDT 2023
STATUS

editing

proposed

#46 by Michel Marcus at Thu Jul 20 13:21:59 EDT 2023
LINKS

<a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (3, -,-3, ,1).

STATUS

approved

editing

#45 by Alois P. Heinz at Sun Jan 07 11:30:01 EST 2018
STATUS

editing

approved

#44 by Alois P. Heinz at Sun Jan 07 11:29:04 EST 2018
CROSSREFS

Partial sums of A018842. Cf. A098498 (half-infinite board), A001844 (1,1)-leaper, A297740 (2,3)-leaper, A297741 (3,4)-leaper.

STATUS

approved

editing

#43 by R. J. Mathar at Fri Jan 05 07:50:37 EST 2018
STATUS

editing

approved

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Last modified August 30 15:13 EDT 2024. Contains 375545 sequences. (Running on oeis4.)