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A074159
Smallest multiple of n which begins with the reverse concatenation of first n natural numbers.
0
1, 210, 321, 43212, 543210, 6543210, 76543215, 876543216, 987654321, 109876543210, 11109876543216, 1211109876543216, 131211109876543216, 14131211109876543214, 1514131211109876543210, 161514131211109876543216
OFFSET
1,2
EXAMPLE
a(7) = 12345676 = 1763668*7 which starts with 1234567.
CROSSREFS
Cf. A074158.
Sequence in context: A125011 A119427 A127424 * A033993 A350373 A046386
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Aug 29 2002
EXTENSIONS
Corrected and extended by Sascha Kurz, Jan 15 2003
STATUS
approved