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!)
A291895 Triangle read by rows: T(n,k) = T(n-k,k-1) + T(n-k,k) + T(n-k,k+1) with T(0,0) = 1. 6
1, 0, 1, 0, 1, 0, 1, 1, 0, 2, 1, 0, 3, 2, 0, 5, 3, 1, 0, 8, 5, 1, 0, 13, 9, 2, 0, 22, 14, 4, 0, 36, 24, 6, 1, 0, 60, 40, 11, 1, 0, 100, 66, 18, 2, 0, 166, 111, 31, 4, 0, 277, 184, 52, 7, 0, 461, 308, 86, 12, 1, 0, 769, 513, 146, 20, 1, 0, 1282, 855, 243, 35, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,10
LINKS
EXAMPLE
First few rows are:
1;
0, 1;
0, 1;
0, 1, 1;
0, 2, 1;
0, 3, 2;
0, 5, 3, 1;
0, 8, 5, 1;
0, 13, 9, 2;
0, 22, 14, 4;
0, 36, 24, 6, 1.
CROSSREFS
Row sums give A291896.
Columns 0-1 give A000007, A186085 (for n>0).
Sequence in context: A257961 A225310 A131358 * A177351 A117901 A074984
KEYWORD
nonn,tabf
AUTHOR
Seiichi Manyama, Sep 05 2017
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 April 12 11:25 EDT 2024. Contains 371634 sequences. (Running on oeis4.)