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A361009
Positive integers k such that 2*k cannot be expressed p^2-q where p and q are primes.
0
5, 8, 14, 17, 20, 26, 29, 32, 35, 38, 41, 44, 47, 50, 53, 56, 62, 65, 68, 71, 72, 74, 77, 80, 86, 89, 92, 95, 98, 101, 104, 107, 110, 113, 116, 119, 122, 125, 128, 131, 134, 137, 140, 146, 149, 152, 155, 158, 161, 164, 167, 170, 173, 176, 182, 185, 188, 191, 194, 197
OFFSET
1,1
COMMENTS
Most of the terms are congruent to 1 mod 3, but some terms of A016789 are missing.
A few terms are divisible by 3 (A008585).
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Marcus, Feb 28 2023
STATUS
approved