OFFSET
0,1
COMMENTS
LINKS
Daniel Poveda Parrilla, Illustration of initial terms
FORMULA
PROG
(Python)
m = [3, 1]
for i in range(25):
w, h = m[0], len(m)
print(sum(m)) # print(w) for widths of the polyominoes
m2 = [w-x for x in reversed(m) if w>x]
m = [w+x for x in m2] + [w for x in m if x==w] + m2
# Andrey Zabolotskiy, Feb 14 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Daniel Poveda Parrilla, Feb 14 2017
STATUS
approved