Logo

A004070 formatted as a triangular array:

1
1 1
1 2 1
1 2 3 1
1 2 4 4 1
1 2 4 7 5 1
1 2 4 8 11 6 1
1 2 4 8 15 16 7 1
1 2 4 8 16 26 22 8 1
1 2 4 8 16 31 42 29 9 1
1 2 4 8 16 32 57 64 37 10 1
1 2 4 8 16 32 63 99 93 46 11 1

A004070 formatted as a square array:

1 1 1 1 1 1 1 1 1 1 1 1
1 2 2 2 2 2 2 2 2 2 2
1 3 4 4 4 4 4 4 4 4
1 4 7 8 8 8 8 8 8
1 5 11 15 16 16 16 16
1 6 16 26 31 32 32
1 7 22 42 57 63
1 8 29 64 99
1 9 37 93
1 10 46
1 11
1

A004070 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1 1 1
1 2 2 2 2 2 2 2 2 2 2
1 3 4 4 4 4 4 4 4 4
1 4 7 8 8 8 8 8 8
1 5 11 15 16 16 16 16
1 6 16 26 31 32 32
1 7 22 42 57 63
1 8 29 64 99
1 9 37 93
1 10 46
1 11
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 November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research

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