OFFSET
1,4
COMMENTS
Theorem: a(n) > 0 for all n > 4.
REFERENCES
D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, 1996, Section VII.18, p. 247.
MATHEMATICA
Floor[Sqrt[2]#[[1]]]-#[[2]]&/@Partition[Prime[Range[80]], 2, 1] (* Harvey P. Dale, Nov 23 2023 *)
CROSSREFS
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Sep 11 2019
STATUS
approved