OFFSET
0,2
LINKS
Veronika Irvine, Lace Tessellations: A mathematical model for bobbin lace and an exhaustive combinatorial search for patterns, PhD Dissertation, University of Victoria, 2016.
EXAMPLE
Triangle begins:
1,
3,2,1,
19,16,10,4,1,
141,126,90,50,21,6,1,
1107,1016,784,504,266,112,36,8,1,
8953,8350,6765,4740,2850,1452,615,210,55,10,1,
73789,69576,58278,43252,28314,16236,8074,3432,1221,352,78,12,1,
616227,585690,502593,388752,270270,168168,93093,45474,19383,7098,2184,546,105,14,1,
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, Aug 19 2017
STATUS
approved