OFFSET
1,2
COMMENTS
This triangle is called s2(3)'.
LINKS
Wolfdieter Lang, First 10 rows and more.
FORMULA
EXAMPLE
Triangle starts:
1
3, 1
10, 3, 1
35, 19, 3, 1
126, 65, 19, 3, 1
...
a(4,2)=19 because the m=2 parts partitions (1^1,3^1) and (2^2) of n=4 lead to 1^1*10^1 + 3^2 =19, since A001700(n-1)=[1,3,10,...], n>=1.
CROSSREFS
KEYWORD
AUTHOR
Wolfdieter Lang, Nov 13 2007
STATUS
approved