OFFSET
1,4
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..65537
FORMULA
PROG
(PARI)
A003961(n) = my(f = factor(n)); for (i=1, #f~, f[i, 1] = nextprime(f[i, 1]+1)); factorback(f);
\\ Or alternatively as:
CROSSREFS
KEYWORD
sign,less
AUTHOR
Antti Karttunen, May 19 2020
STATUS
approved