Logo

A154915 formatted as a triangular array:

4
3 3
5 8 5
9 24 24 9
17 70 112 70 17
33 198 480 480 198 33
65 544 1920 2880 1920 544 65
129 1452 7308 15624 15624 7308 1452 129
257 3770 26724 80640 108864 80640 26724 3770 257

A154915 formatted as a square array:

4 3 5 9 17 33 65 129 257
3 8 24 70 198 544 1452 3770
5 24 112 480 1920 7308 26724
9 70 480 2880 15624 80640
17 198 1920 15624 108864
33 544 7308 80640
65 1452 26724
129 3770
257

A154915 formatted as an upper right triangle:

4 3 5 9 17 33 65 129 257
3 8 24 70 198 544 1452 3770
5 24 112 480 1920 7308 26724
9 70 480 2880 15624 80640
17 198 1920 15624 108864
33 544 7308 80640
65 1452 26724
129 3770
257

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 27 22:38 EST 2009. Contains 167602 sequences.


AT&T Labs Research