OFFSET
3,2
COMMENTS
Is it true for all n : n = p(i) + p(j) - p(k)?
EXAMPLE
For n = 6, 6 = p(1) + p(5) - p(4) = 2 + 11 - 7; so a(6) = 1 + 5 - 4 = 2.
CROSSREFS
KEYWORD
easy,nonn,uned
AUTHOR
Ctibor O. Zizka, Apr 19 2008
STATUS
approved