OFFSET
0,5
LINKS
Giovanni Resta, Table of n, a(n) for n = 0..77
EXAMPLE
Triangle begins:
1;
1, 1;
1, 3, 1;
1, 10, 7, 1;
1, 46, 62, 19, 1;
1, 343, 643, 359, 58, 1;
...
PROG
(PARI) primo(n) = prod(i=1, n, prime(i));
tabl(nn) = {v = vector(1); na = 1; for (n=0, nn, nb = primo(n); for (i=na, primo(n), if (issquarefree(i), v[1+omega(i)]++); ); print(v); v = concat(v, 0); na = nb + 1; ); }
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Michel Marcus, Aug 12 2015
STATUS
approved