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A280733 Numbers whose digit string can be partitioned into three nonempty parts a < b <= c such that a*b = c. 2
122, 133, 144, 155, 166, 177, 188, 199, 236, 248, 2510, 2612, 2714, 2816, 2918, 3412, 3515, 3618, 3721, 3824, 3927, 4520, 4624, 4728, 4832, 4936, 5630, 5735, 5840, 5945, 6742, 6848, 6954, 7856, 7963, 8972, 11010, 11111, 11212, 11313, 11414, 11515, 11616, 11717 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The parts may not start with 0.
LINKS
EXAMPLE
For n = 3|4|12: 3 < 4 <= 12, and 3*4=12, so 3412 is a term.
For n = 1|10|10: 1 < 10 <= 10, and 1*10=10, so 11010 is a term.
CROSSREFS
A subset of A280635 and A280732.
Sequence in context: A194565 A138026 A077030 * A309760 A224606 A224599
KEYWORD
nonn,base,easy
AUTHOR
N. J. A. Sloane, Jan 10 2017
EXTENSIONS
More terms from Lars Blomberg, Jan 11 2017
STATUS
approved

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)