Revision history [back]
 | 1 | initial version |
Here is some code
a = {1: 1, 2: 2}
for n in range(3, 20):
b = a[n - 1]
if ZZ(b).is_prime():
a[n] = 2 * b
else:
a[n] = b - 1
print(a)
| | 1 | initial version |
Here is some code
a = {1: 1, 2: 2}
for n in range(3, 20):
b = a[n - 1]
if ZZ(b).is_prime():
a[n] = 2 * b
else:
a[n] = b - 1
print(a)
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