OFFSET
1,2
LINKS
EXAMPLE
Referring to A054065, just add C(k,2) to the numbers in p(k): e.g. p(1)=(1)->(1); p(2)=(2,1)->(3,2); p(3)=(2,1,3)->(5,4,6).
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved