Logo

A155467 formatted as a triangular array:

1
1 1
1 6 1
1 22 22 1
1 65 220 65 1
1 171 1510 1510 171 1
1 420 8337 21140 8337 420 1
1 988 40068 218666 218666 40068 988 1
1 2259 175296 1852914 3935988 1852914 175296 2259 1

A155467 formatted as a square array:

1 1 1 1 1 1 1 1 1
1 6 22 65 171 420 988 2259
1 22 220 1510 8337 40068 175296
1 65 1510 21140 218666 1852914
1 171 8337 218666 3935988
1 420 40068 1852914
1 988 175296
1 2259
1

A155467 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1
1 6 22 65 171 420 988 2259
1 22 220 1510 8337 40068 175296
1 65 1510 21140 218666 1852914
1 171 8337 218666 3935988
1 420 40068 1852914
1 988 175296
1 2259
1

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 December 21 10:15 EST 2009. Contains 171081 sequences.


AT&T Labs Research