login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A113027 Magic products of 7 X 7 multiplicative magic squares. 0

%I #5 Jan 31 2021 22:06:24

%S 3632428800,4151347200,4410806400,4540536000,4670265600,4750099200,

%T 4843238400,4929724800,5145940800,5189184000,5292967680,5308934400,

%U 5428684800,5448643200,5613753600,5708102400,5751345600,5811886080,5837832000,5881075200,5915669760,5937624000,5967561600,6054048000,6067353600,6107270400,6175128960,6227020800,6274195200,6333465600

%N Magic products of 7 X 7 multiplicative magic squares.

%H Christian Boyer, <a href="http://www.multimagie.com/English/Multiplicative6_7.htm">Smallest multiplicative magic squares, 6th and 7th-order</a>.

%e Here is a 7 X 7 multiplicative magic square:

%e 11 27 1 64 60 49 65

%e 52 35 36 55 2 12 42

%e 28 48 39 10 70 33 3

%e 25 44 56 9 18 26 14

%e 6 5 77 78 84 8 30

%e 63 4 40 21 13 20 66

%e 24 91 15 7 22 45 16

%e The magic product of each row, column or diagonal is 3632428800.

%Y Cf. A111029, A111030, A111031.

%K nonn

%O 1,1

%A Christian Boyer (cboyer(AT)club-internet.fr), Jan 03 2006

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 13 11:21 EDT 2024. Contains 375130 sequences. (Running on oeis4.)