OFFSET
1,3
EXAMPLE
The numbers 0, 1, 4, 5, 6, 9, 10, 11, 14, . . . are the squares mod 5, and 5 = prime(3), so a(3) = 4. - Jonathan Sondow, Jul 20 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Offset corrected to 1, definition clarified, Jonathan Sondow Jul 20 2014
STATUS
approved