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A257899 Pandigital numbers reordered so that the numbers A050278(n)/3^k, where 3^k||A050278(n), are in nondecreasing order. 4
7246198035, 3410256897, 5361708249, 5902183746, 6820513794, 8145396207, 8269753401, 9145036728, 9537240186, 1257389406, 1359426078, 4379605281, 1742063598, 6185973240, 2081654397, 2095471863, 6472951380, 2170936485, 2304859617, 2415930786, 2419650873 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

If two such numbers A050278(n_1)/3^k_1 and A050278(n_2)/3^k_2 are equal, then A050278(n_1) appears earlier than A050278(n_2) iff  A050278(n_1)<A050278(n_2).

There are 5985 such pairs.

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..1000

FORMULA

min(A050278(n)/3^k) = 7246198035/3^15 = 505

PROG

(Python)

from itertools import permutations

l = []

for d in permutations('0123456789', 10):

....if d[0] != '0':

........d2 = int(''.join(d))

........d = d2

........r = d2 % 3

........while not r:

............d2, r = divmod(d2, 3)

........l.append((d2, d))

l.sort()

A257899_list = [b for a, b in l] # Chai Wah Wu, May 24 2015

CROSSREFS

Cf. A050278, A257893.

Sequence in context: A095926 A198784 A104944 * A199632 A104851 A226950

Adjacent sequences:  A257896 A257897 A257898 * A257900 A257901 A257902

KEYWORD

nonn,base,fini

AUTHOR

Vladimir Shevelev and Peter J. C. Moses, May 12 2015

STATUS

approved

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Last modified July 13 13:48 EDT 2020. Contains 335688 sequences. (Running on oeis4.)