Triangle enneagram

Triangle enneagram:

1=1

2=3

3=6

4=10=1

5=15=6

6=21=3

7=28=1

8=36=9

9=55=10=1

Enneagram=142857=27

Triangle enneagram=113961=21=777

Pattern in the infinite triangle enneagram:

1361631=7=28 and 1/7=0.142857

28=(64 tetrahedron grid)