|
|
A132621
|
|
Column 0 of triangle A132620.
|
|
2
|
|
|
1, 1, 2, 9, 76, 1015, 18996, 461160, 13810056, 492785919, 20433145960, 966019244498, 51307359002780, 3025299547565555, 196128997903654830, 13867432141912978212, 1062114397213146583512, 87606299906342573320663
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
COMMENTS
|
Triangle T=A132620 is defined by: antidiagonal k of T = antidiagonal k-1 of T^k (after appending '1' for even k) for k>0, with T(n,n)=1 for n>=0.
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|