Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A124390
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A124390 Antidiagonal sums of square array A124389. +0
2
1, 2, 3, 4, 7, 12, 23, 46, 97, 212, 481, 1124, 2705, 6682, 16919, 43840, 116087, 313764, 864683, 2427306, 6934769, 20148124, 59486997, 178364624, 542790609, 1675526482, 5243746235, 16630136364, 53422028679, 173754047228 (list; graph; listen)
OFFSET

0,2
FORMULA

Sums of antidiagonals of a Kolakoski related square array.

CROSSREFS

Sequence in context: A006537 A103963 A006706 this_sequence A107031 A152605 A023162

Adjacent sequences: A124387 A124388 A124389 this_sequence A124391 A124392 A124393

KEYWORD

nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Oct 30 2006

page 1

Search completed in 0.002 seconds

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 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research

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