

A268855


a(n) = smallest magic sum of any 3 X 3 magic square which contains exactly n squares.


5




OFFSET

0,1


COMMENTS

a(7) = 8*A268854(7) + 3.


LINKS

Table of n, a(n) for n=0..7.
Andrew Bremner, On squares of squares II, Acta Arithmetica 99 (2001), pp. 289308.
Multimagic Squares, Magic squares of squares
The Prime Puzzles and Problems Connection, Problem 63
The Prime Puzzles and Problems Connection, Puzzle 79
Arkadiusz Wesolowski, Examples of these magic squares
Wikipedia, Magic square
Index entries for sequences related to magic squares


CROSSREFS

Cf. A221669, A268854, A268856, A269231.
Sequence in context: A033971 A193220 A040872 * A117749 A283621 A100935
Adjacent sequences: A268852 A268853 A268854 * A268856 A268857 A268858


KEYWORD

nonn,fini,hard,more


AUTHOR

Arkadiusz Wesolowski, Feb 14 2016


STATUS

approved



