OFFSET
1,4
COMMENTS
The odd-indexed terms are the widths of the successive terraces in the main diagonal of the pyramid.
The even-indexed terms are the precipices from the successive terraces, descending by the main diagonal of the pyramid.
The structure of the pyramid arises after the 90-degree-zig-zag folding of the diagram of the isosceles triangle A237593 (see links).
The mentioned pyramid is also a 3D-quadrant of the pyramid described in A244050.
LINKS
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Feb 11 2017
STATUS
approved