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