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A237880
Conjectured number of distinct integers < 10^n that are Sierpiński or Riesel or simultaneously Sierpiński and Riesel numbers.
2
0, 0, 0, 0, 1, 16, 134, 1345, 13420
OFFSET
1,6
FORMULA
a(n) = A236320(n) + A236321(n) for n <= 9.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
EXTENSIONS
Definition clarified by Arkadiusz Wesolowski, Jun 05 2021
STATUS
approved