column = 0, 4, 9, 16, 25.. (squares)
column = 1, 3, 6, 15, 21.. (triangular)
What's in between these?
Not Chris, just another fisherman
column = 0, 4, 9, 16, 25.. (squares)
column = 1, 3, 6, 15, 21.. (triangular)
What's in between these?
Not Chris, just another fisherman