|
| |
|
|
A106552
|
|
Semiprime + (smallest integer obtained by concatenating its two divisors).
|
|
0
| |
|
|
26, 29, 41, 35, 41, 50, 58, 134, 80, 158, 146, 206, 92, 230, 172, 269, 128, 224, 170, 250
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| First semiprime is 4; 4 is 2*2; 26=4+22.
Second semiprime is 6; 6 is 2*3 (23) or 3*2 (32); 29=6+23.
...
Eighth semiprime is 22; 22 is 2*11 (211) or 11*2 (112); 134=22+112.
|
|
|
CROSSREFS
| Sequence in context: A056081 A081644 A055109 * A106550 A069962 A178098
Adjacent sequences: A106549 A106550 A106551 * A106553 A106554 A106555
|
|
|
KEYWORD
| base,easy,nonn
|
|
|
AUTHOR
| Eric Angelini (eric.angelini(AT)kntv.be), May 09 2005
|
| |
|
|