|
1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 5, 5, 5, 5, 15, 5, 25, 25, 25, 25, 75, 25, 125, 125, 125, 125, 375, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 5, 5, 5, 5, 15, 5, 25, 25, 25, 25, 75, 25, 125, 125, 125, 125, 375, 1, 7, 7, 7, 7, 21, 7, 7, 7, 7, 7, 21, 7, 35, 35, 35, 35, 105, 35, 175, 175, 175, 175, 525, 175, 875, 875, 875, 875, 2625, 7
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,6
|
|
LINKS
|
|
|
FORMULA
|
|
|
PROG
|
(PARI)
A003557(n) = { my(f=factor(n)); for (i=1, #f~, f[i, 2] = f[i, 2]-1); factorback(f); }; \\ From A003557
A032742(n) = if(1==n, n, n/vecmin(factor(n)[, 1]));
A276086(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (m); };
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|