OFFSET
1,1
COMMENTS
Allan Swett found that the first term not congruent to 5 mod 16 is 67073285. - Ralf Stephan, Nov 15 2004
Since A119479(n) < 7 for n < 8, no term has fewer than 8 divisors; the first that has more is a(30)=17476613. - Ivan Neretin, Feb 05 2016
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..1000 from Donovan Johnson)
Jean-Marie De Koninck, Those Fascinating Numbers, Amer. Math. Soc., 2009, page 244.
PROG
(PARI) isok(n) = {my(nb = numdiv(n)); for (k=1, 6, if (numdiv(n+k) != nb, return (0)); ); 1; } \\ Michel Marcus, Feb 06 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved