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A376073
Number of solutions of the congruence y^2 + y == x^3 - x^2 (mod p) as p runs through the primes.
1
4, 4, 4, 9, 10, 9, 19, 19, 24, 29, 24, 34, 49, 49, 39, 59, 54, 49, 74, 74, 69, 89, 89, 74, 104, 99, 119, 89, 99, 104, 119, 149, 144, 129, 159, 149, 164, 159, 179, 179, 194, 174, 174, 189, 199, 199, 199, 204, 209, 214, 209, 269, 249, 274, 259, 249, 259, 299, 279, 299
OFFSET
1,1
COMMENTS
Same as A272196, except for a(1).
REFERENCES
Edward Frenkel, Love and math: the heart of hidden reality, Basic Books, 2013. See pages 86-89.
FORMULA
a(n) = prime(n) - A002070(n).
a(n) = A060457(prime(n)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Andrey Zabolotskiy, Sep 08 2024
STATUS
approved