1,1

Albert Frank, International Contest Of Logical Sequences, 2002 - 2003. Item 6

Albert Frank, Solutions of International Contest Of Logical Sequences, 2002 - 2003.

Every row, column or main diagonal has the same sum (15):

6 7 2

1 5 9

8 3 4

Sequence in context: A021153 A063471 A011483 this_sequence A021602 A021941 A070059

Adjacent sequences: A123151 A123152 A123153 this_sequence A123155 A123156 A123157

nonn,tabf

Herman Jamke (hermanjamke(AT)fastmail.fm), Oct 01 2006