OFFSET
1,1
COMMENTS
LINKS
Fabien Sibenaler, Table of n, a(n) for n = 1..10000
EXAMPLE
prime(780815) - prime(780814) = 11882071 - 11881957 = 11881957 - 11881843 = prime(780814) - prime(780814-9) and prime(780814) has level 1 in A117563, so prime(780814)=11881957 has level (1,9).
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémi Eismann and Fabien Sibenaler, Jul 25 2006
EXTENSIONS
Definition and comment reworded following suggestions from the authors. - M. F. Hasler, Nov 30 2009
STATUS
approved