OFFSET
1,2
COMMENTS
Periodic with period 2^57.
This is the generator used by the G05CAF routine in the Fortran NAG library.
LINKS
Sean A. Irvine, Table of n, a(n) for n = 1..10000
NAG, G05CAF, NAG Fortran Library Routine Document.
B. D. Ripley, Computer Generation of Random Variables: A Tutorial, International Statistical Review, 51 (1983), 301-309.
FORMULA
a(n) = 13^13 * a(n-1) mod 2^59.
MATHEMATICA
NestList[Mod[13^13*#, 2^59] &, 1, 20] (* Paolo Xausa, Jun 11 2025 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Sean A. Irvine, Jun 10 2025
STATUS
approved
