Location via proxy:   [ UP ]  
[Report a bug]   [Manage cookies]                
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A131896 A000012 * A131843. 2
1, 4, 3, 9, 4, 5, 16, 5, 6, 7, 25, 6, 7, 8, 9, 36, 7, 8, 9, 10, 11, 49, 8, 9, 10, 11, 12, 13, 64, 9, 10, 11, 12, 13, 14, 15, 81, 10, 11, 12, 13, 14, 15, 16, 17, 100, 11, 12, 13, 14, 15, 16, 17, 18, 19 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row sums = A000566: (1, 7, 18, 34, 55, 81, ...), binomial transform of (1, 6, 5, 0, 0, 0, ...).
LINKS
FORMULA
A000012 * A131843 as infinite lower triangular matrices.
EXAMPLE
First few rows of the triangle:
1;
4, 3;
9, 4, 5;
16, 5, 6, 7;
25, 6, 7, 8, 9;
36, 7, 8, 9, 10, 11;
49, 8, 9, 10, 11, 12, 13;
64, 9, 10, 11, 12, 13, 14, 15;
...
CROSSREFS
Sequence in context: A232814 A074123 A016704 * A114380 A293130 A103825
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jul 24 2007
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 18 05:18 EDT 2024. Contains 375255 sequences. (Running on oeis4.)