OFFSET
1,5
COMMENTS
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..2713 (rows 1..20)
FORMULA
T(n,k) = A178888(n,k) / n. - Andrew Howroyd, Oct 02 2025
EXAMPLE
Triangle begins:
1;
1,1;
1,2,2;
1,3,3,6,6;
1,4,4,12,12,24,24;
1,5,5,5,20,20,20,60,60,120,120;
1,6,6,6,30,30,30,30,120,120,120,360,360,720,720;
PROG
(PARI)
C(sig)={(binomial(vecsum(sig), #sig)) * (#sig)! / vecsum(sig)}
Row(n)={apply(C, [Vecrev(p) | p<-partitions(n)])}
{ for(n=1, 7, print(Row(n))) } \\ Andrew Howroyd, Oct 02 2025
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Alford Arnold, Oct 26 2010
EXTENSIONS
a(57) onwards from Andrew Howroyd, Oct 02 2025
STATUS
approved