A083489 Triangle read by rows where the n-th row gives the reverse-lexicographically earliest sequence of n distinct integers > 1 whose product equals the smallest possible square (=A081456(n)).

4, 2, 8, 2, 3, 6, 2, 3, 4, 6, 2, 3, 4, 6, 9, 2, 3, 5, 6, 8, 10, 2, 3, 4, 5, 6, 8, 10, 2, 3, 4, 5, 6, 8, 9, 10, 2, 3, 4, 5, 6, 7, 9, 10, 14, 2, 3, 4, 5, 7, 8, 9, 10, 12, 14, 2, 3, 4, 5, 6, 7, 8, 9, 12, 14, 15, 2, 3, 4, 5, 6, 7, 8, 9, 12, 14, 15, 16, 2, 3, 4, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 2

Offset: 1

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 03 2003

Keywords

• nonn
• tabl

Examples

			4
2 8
2 3 6
2 3 4 6
2 3 4 6 9
2 3 5 6 8 10
...
		

Crossrefs

Cf. A081454, A086435, A081457.

Formula

Results from the triangle in A081454 by removing first column (equivalently, by removing all 1's from the sequence).

Extensions

Corrected by R. J. Mathar, Jul 18 2007

Corrected and extended by Max Alekseyev, Jul 16 2009