OFFSET
0,5
EXAMPLE
Triangle begins:
1,
1,1,
1,2,1,
1,3,3,1,
1,2,6,2,1,
1,5,10,10,5,1,
1,6,15,10,15,6,1, ...
PROG
(PARI) T(n, k) = factorback(factorint(binomial(n, k))[, 1]);
tabl(nn) = for(n=0, nn, for (k=0, n, print1(T(n, k), ", ")); print); \\ Michel Marcus, May 20 2018
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Labos Elemer, Mar 19 2003
STATUS
approved