def solution():
"""
Bryukh's solution
>>> solution()
5482660
"""
pentagonals = []
n = 1
while True:
newp = (n*(3*n-1))/2
for p in pentagonals:
diff = abs(newp-p)
if ispentagonal(diff) and ispentagonal(newp+p):
return diff
pentagonals.append(newp)
n += 1
def solution():
"""
Bryukh's solution
>>> solution()
5482660
"""
pentagonals = []
n = 1
while True:
newp = (n * (3 * n - 1)) / 2
for p in pentagonals:
diff = abs(newp - p)
if ispentagonal(diff) and ispentagonal(newp + p):
return diff
pentagonals.append(newp)
n += 1
def solution():
"""
Bryukh's solution
"""
for i in xrange(286, 100000):
tr = triangle(i)
if ispentagonal(tr) and ishexagonal(tr):
return tr
return None
def solution():
"""
Bryukh's solution
"""
for i in xrange(286, 100000):
tr = triangle(i)
if ispentagonal(tr) and ishexagonal(tr):
return tr
return None
