Non-Square Positive Integers not Sum of Square and Prime/Historical Note
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Historical Note on Non-Square Positive Integers not Sum of Square and Prime
G.H. Hardy and J.E. Littlewood made this conjecture in $1923$.
As reported in On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008), this sequence is:
- Almost certainly finite; no other terms below ... $3 \, 000 \, 000 \, 000$
Sources
- 1923: G.H. Hardy and J.E. Littlewood: Some problems of ‘Partitio numerorum’; III: On the expression of a number as a sum of primes (Acta Math. Vol. 44: pp. 1 – 70)