OFFSET
1,1
COMMENTS
Final digits of odd triprimes;
a(n) = A046316(n) mod 10.
LINKS
PROG
(Haskell)
a255646 = flip mod 10 . a046316
(PARI) do(x)=my(v=List(), t); forprime(p=3, x\9, forprime(q=3, min(x\(3*p), p), t=p*q; forprime(r=3, min(x\t, q), listput(v, t*r)))); Set(v)%10 \\
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, May 05 2015
STATUS
approved