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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

Lars Blomberg, Table of n, a(n) for n = 1..10000

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

Adjacent sequences:  A280730 A280731 A280732 * A280734 A280735 A280736

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 September 20 17:16 EDT 2020. Contains 337265 sequences. (Running on oeis4.)