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A334290 Array read by upward antidiagonals: T(n,k) (n > 0, k > 0) = nim-division of n by k. 2

%I #26 Jun 15 2020 03:17:28

%S 1,2,3,3,1,2,4,2,3,15,5,12,1,5,12,6,15,8,10,4,9,7,13,10,1,8,14,11,8,

%T 14,11,14,13,7,13,10,9,4,9,4,1,15,6,15,6,10,7,12,11,9,6,7,5,11,8,11,5,

%U 14,2,5,1,12,3,13,12,7,12,6,15,13,6,8,10,9,14,4,9,5

%N Array read by upward antidiagonals: T(n,k) (n > 0, k > 0) = nim-division of n by k.

%C Each row and each column is a permutation of the natural numbers.

%H Rémy Sigrist, <a href="/A334290/b334290.txt">Table of n, a(n) for n = 1..5050</a>

%H Rémy Sigrist, <a href="/A334290/a334290.gp.txt">PARI program for A334290</a>

%H <a href="/index/Ni#Nimmult">Index entries for sequences related to Nim-multiplication</a>

%F T(n, k) = A051776(n, A051917(k)).

%F T(n, 1) = n.

%F T(1, n) = A051917(k).

%F T(n, n) = 1.

%e The array begins:

%e n\k| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

%e ---+------------------------------------------------------------

%e 1| 1 3 2 15 12 9 11 10 6 8 7 5 14 13 4 --> A051917(n)

%e 2| 2 1 3 5 4 14 13 15 11 12 9 10 7 6 8

%e 3| 3 2 1 10 8 7 6 5 13 4 14 15 9 11 12

%e 4| 4 12 8 1 13 15 7 3 14 11 10 2 5 9 6

%e 5| 5 15 10 14 1 6 12 9 8 3 13 7 11 4 2

%e 6| 6 13 11 4 9 1 10 12 5 7 3 8 2 15 14

%e 7| 7 14 9 11 5 8 1 6 3 15 4 13 12 2 10

%e 8| 8 4 12 2 6 5 9 1 7 13 15 3 10 14 11

%e 9| 9 7 14 13 10 12 2 11 1 5 8 6 4 3 15

%e 10| 10 5 15 7 2 11 4 14 12 1 6 9 13 8 3

%e 11| 11 6 13 8 14 2 15 4 10 9 1 12 3 5 7

%e 12| 12 8 4 3 11 10 14 2 9 6 5 1 15 7 13

%e 13| 13 11 6 12 7 3 5 8 15 14 2 4 1 10 9

%e 14| 14 9 7 6 15 4 3 13 2 10 12 11 8 1 5

%e 15| 15 10 5 9 3 13 8 7 4 2 11 14 6 12 1

%e | | | | |

%e | | | | A004474(n)

%e | | | A004477(n)

%e | | A004480(n)

%e | A006015(n)

%e A004468(n)

%o (PARI) See Links section.

%Y Cf. A004468, A004474, A004477, A004480, A006015, A051775, A051776, A051917, A334291.

%K nonn,tabl

%O 1,2

%A _Rémy Sigrist_, Jun 13 2020

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)