OFFSET
1,2
EXAMPLE
Array starts with:
1;
2;
3, 12, 21, 111;
4, 112;
5;
6, 24, 42, 114, 132, 222, 312, 1122, 1212, 2112, 11112;
7, 133, 322, 511, 1141, 2212, 11221, 13111, 21112;
8, 152, 224, 512, 1232, 2312, 4112, 11312, 13112, 22112, 31112, 112112, 121112, 211112, 1111112;
CROSSREFS
Cf. A075397 (lengths of rows)
KEYWORD
base,nonn,tabf
AUTHOR
Amarnath Murthy, Nov 21 2002
EXTENSIONS
Corrected and extended by Max Alekseyev, Feb 22 2012
STATUS
approved