This may be a wheel reinvented. It's a fun wheel.
I've used "under negation" where - has a completely different meaning
while filling the hole as it did while digging. On the way in it
reverses the order of integers, coming out it changes the direction to
rotate.
NB. Pascal's triangle
(<.@:-:@:i.&.:- |.Rank 0 1 pt)8
0 0 0 1 0 0 0 0
0 0 0 1 1 0 0 0
0 0 1 2 1 0 0 0
0 0 1 3 3 1 0 0
0 1 4 6 4 1 0 0
0 1 5 10 10 5 1 0
1 6 15 20 15 6 1 0
1 7 21 35 35 21 7 1
pt
(!~ i.@>:)Rank 0~@:i.
Rank
"
Fun with j!
http://forums.devshed.com/python-programming-11/help-with-a-program-that-displays-numbers-in-a-pyramid-952131.html#post2904317
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