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A245386
Numbers in A245385 where P, Q, R, and S are all distinct.
2
164, 195, 265, 498, 1664, 1995, 2665, 4847, 4998, 6545, 7424, 16664, 19995, 21775, 24996, 26665, 43243, 49998, 86486, 148480, 166664, 175150, 199995, 217775, 249996, 266665, 368180, 484847, 499998, 654545, 742424, 1001001, 1081075, 1216216, 1249992, 1297290, 1451850, 1471468, 1481477
OFFSET
1,1
COMMENTS
This sequence does not contain any repdigits, unlike A245385.
EXAMPLE
4*84847 = 48484*7 = 339388. Thus 484847 is a member of this sequence.
PROG
(Python)
for n in range(1, 10**7):
..s = str(n)
..count = 0
..for i in range(1, len(s)):
....if i != len(s) - i:
......if int(s[:i]) != int(s[len(s)-i:]):
........num = int(s[:i])*int(s[i:])
........if num != 0:
..........if num == int(s[:len(s)-i])*int(s[len(s)-i:]):
............count += 1
............break
..if count > 0:
....print(n, end=', ')
CROSSREFS
Cf. A262743 (predestined numbers).
Sequence in context: A127882 A240255 A045006 * A063354 A240248 A376402
KEYWORD
nonn,base
AUTHOR
Derek Orr, Jul 20 2014
STATUS
approved