Logo

A091257 formatted as a triangular array:

1
2 2
3 4 3
4 6 6 4
5 8 5 8 5
6 10 12 12 10 6
7 12 15 16 15 12 7
8 14 10 20 20 10 14 8
9 16 9 24 17 24 9 16 9
10 18 24 28 30 30 28 24 18 10
11 20 27 32 27 20 27 32 27 20 11

A091257 formatted as a square array:

1 2 3 4 5 6 7 8 9 10 11
2 4 6 8 10 12 14 16 18 20
3 6 5 12 15 10 9 24 27
4 8 12 16 20 24 28 32
5 10 15 20 17 30 27
6 12 10 24 30 20
7 14 9 28 27
8 16 24 32
9 18 27
10 20
11

A091257 formatted as an upper right triangle:

1 2 3 4 5 6 7 8 9 10 11
2 4 6 8 10 12 14 16 18 20
3 6 5 12 15 10 9 24 27
4 8 12 16 20 24 28 32
5 10 15 20 17 30 27
6 12 10 24 30 20
7 14 9 28 27
8 16 24 32
9 18 27
10 20
11

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.