A319572 The x coordinates of the stripe enumeration of N X N where N = {0, 1, 2, ...}.

0, 0, 1, 2, 1, 0, 0, 1, 2, 3, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 5, 6, 5, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 11, 10, 9, 8, 7, 6

Offset: 0

Author

Peter Luschny, Sep 23 2018

Keywords

• nonn

Comments

See A319571 for comments and references.

Links

• Index entries for sequences related to coordinates of 2D curves

Crossrefs

Cf. A319571 (stripe enumeration), this sequence (stripe x), A319573 (stripe y).

Cf. A319514 (shell enumeration), A319289 (shell x), A319290 (shell y).

Programs

Julia

# Function stripe is defined in A319571.
function StripeEnumerationX(len)
    x, y, state = 0, 0, false
    for n in 0:len
        print("$x, ")
        x, y, state = stripe(x, y, state)
    end
end
StripeEnumerationX(84)