A257901 Pandigital numbers reordered so that the numbers A050278(n)/5^k, where 5^k||A050278(n), are in nondecreasing order.
1304296875, 1342968750, 1437890625, 1824609375, 9123046875, 1923046875, 3104296875, 3142968750, 3649218750, 4137890625, 4862109375, 1034296875, 1269843750, 6349218750, 1284609375, 1293046875, 1347890625, 1432968750, 8124609375, 1629843750, 8462109375
Offset: 1
Links
- Chai Wah Wu, Table of n, a(n) for n = 1..1000
Programs
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Python
from itertools import permutations l = [] for d in permutations('0123456789', 10): if d[0] != '0': d2 = int(''.join(d)) d = d2 r = d2 % 5 while not r: d2, r = divmod(d2,5) l.append((d2,d)) l.sort() A257901_list = [b for a,b in l] # Chai Wah Wu, May 24 2015
Formula
min(A050278(n)/5^k) = 1304296875/5^8 = 3339.
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