OFFSET
0,3
COMMENTS
Closely related to A004073 - see Kubo-Vakil.
After the 9th row of course we will encounter strings like 111...110, which is unsatisfactory. Still, the initial rows look nice and the sequence serves as a pointer to the Kubo-Vakil paper.
Grytczuk calls this the "word Pascal triangle".
LINKS
J. Grytczuk, Another variation on Conway's recursive sequence, Discr. Math. 282 (2004), 149-161.
T. Kubo and R. Vakil, On Conway's recursive sequence, Discr. Math. 152 (1996), 225-252.
EXAMPLE
Triangle begins
1
1 2
1 12 3
1 112 123 4
1 1112 112123 1234 5
1 11112 1112112123 1121231234 12345 6
1 111112 111121112112123 11121121231121231234 112123123412345 123456 7
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
N. J. A. Sloane, Jun 03 2012
STATUS
approved