|
| |
|
|
A077488
|
|
All possible products in increasing order of two distinct members of the unary sequence 1, 11, 111, 1111, 11111, ...given by A000042.
|
|
0
| |
|
|
11, 111, 1111, 1221, 11111, 12221, 111111, 122221, 123321, 1111111, 1222221, 1233321, 11111111, 12222221, 12333321, 12344321, 111111111, 122222221, 123333321, 123444321, 1111111111, 1222222221, 1233333321, 1234444321
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|