OFFSET
1,1
REFERENCES
Daniel Zwillinger, CRC Standard Mathematical Tables and Formulae (31st ed. 2003), p. 99
EXAMPLE
The least positive solution to Pell's equation with d = 5 is (x = 9 and y = 4). 9 + 4 = 13, which is a prime number, so 13 is in the sequence.
CROSSREFS
KEYWORD
nonn
AUTHOR
Harvey P. Dale, Jan 28 2012
STATUS
approved