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A076596
Triangle read by rows: n-th row contains n numbers whose product is a square; all numbers in triangle are distinct.
2
1, 2, 8, 3, 4, 12, 5, 7, 10, 14, 6, 9, 15, 18, 20
OFFSET
1,2
COMMENTS
Differs from A076031 and A076696.
EXAMPLE
(1) (2 8) (3 4 12) (5 7 10 14) (6 9 15 18 20)
CROSSREFS
Sequence in context: A321984 A083486 A076031 * A081967 A076099 A199072
KEYWORD
nonn,tabl,more,obsc
AUTHOR
Donald S. McDonald, Nov 10 2002
EXTENSIONS
It is not clear to me how one decides what numbers to place in the n-th row. Possibly the goal is to minimize the product of the terms in the n-th row? - N. J. A. Sloane, Nov 30 2002
STATUS
approved