A077488 All possible products in increasing order of two distinct members of the unary sequence 1, 11, 111, 1111, 11111, ...given by A000042.
11, 111, 1111, 1221, 11111, 12221, 111111, 122221, 123321, 1111111, 1222221, 1233321, 11111111, 12222221, 12333321, 12344321, 111111111, 122222221, 123333321, 123444321, 1111111111, 1222222221, 1233333321, 1234444321
Offset: 1
Crossrefs
Cf. A000042.
Extensions
Corrected and extended by Ray Chandler, Aug 03 2003