OFFSET
0,3
LINKS
Gus Wiseman, Every Clutter Is a Tree of Blobs, The Mathematica Journal, Vol. 19, 2017.
EXAMPLE
Non-isomorphic representatives of the a(1) = 1 through a(6) = 21 blobs:
(1) (11) (111) (1111) (11111) (111111)
(12) (122) (1122) (11222) (111222)
(1)(1) (123) (1222) (12222) (112222)
(1)(1)(1) (1233) (12233) (112233)
(1234) (12333) (122222)
(11)(11) (12344) (122333)
(12)(12) (12345) (123333)
(1)(1)(1)(1) (1)(1)(1)(1)(1) (123344)
(123444)
(123455)
(123456)
(111)(111)
(112)(122)
(122)(122)
(123)(123)
(123)(233)
(134)(234)
(11)(11)(11)
(12)(12)(12)
(12)(13)(23)
(1)(1)(1)(1)(1)(1)
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Gus Wiseman, Nov 26 2018
STATUS
approved