OFFSET
0,2
COMMENTS
Row sums = 5*n + 1, A016861: (1, 6, 11, 16, 21, ...).
LINKS
B. D. Swan, Table of n, a(n) for n = 0..100000
FORMULA
EXAMPLE
First few rows of the triangle are:
1;
3, 3;
5, 1, 5;
7, 1, 1, 7;
9, 1, 1, 1, 9;
11, 1, 1, 1, 1, 11;
...
CROSSREFS
KEYWORD
AUTHOR
Gary W. Adamson, Jul 21 2007
EXTENSIONS
Corrected and edited by B. D. Swan (bdswan(AT)gmail.com), Dec 20 2008
STATUS
approved