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A317244
For n >= 3, smallest prime number N such that for every prime p >= N, every element in Z_p can be expressed as a sum of two n-gonal numbers mod p, without allowing zero as a summand.
0
11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 13, 11, 11, 11, 11, 11, 11, 11, 23, 11, 11, 13, 29, 11, 11, 11, 11, 11, 11, 11, 37, 11, 13, 11, 11, 11, 11, 23, 11, 11, 11, 11, 47, 13, 11, 29, 53, 11, 11, 11, 11, 11, 11, 11, 13, 11, 23, 11, 61, 11, 11, 37, 11, 11, 11, 13, 71, 11, 29, 11, 73, 11, 11, 11, 11, 23, 13, 11, 83, 11, 11, 11, 89, 11, 11, 47, 11, 13, 11, 11, 11, 29, 37, 53, 23, 11
OFFSET
3,1
LINKS
Joshua Harrington, Lenny Jones, and Alicia Lamarche, Representing Integers as the Sum of Two Squares in the Ring Z_n, Journal of Integer Sequences, Vol. 17 (2014), Article 14.7.4.
Bernard M. Moore and H. Joseph Straight, Pythagorean triples in multiplicative groups of prime power order, Pi Mu Epsilon Journal, vol. 14, no. 3, 2015, pp. 191-198.
CROSSREFS
Sequence in context: A112122 A290856 A010850 * A113587 A083971 A240453
KEYWORD
nonn
STATUS
approved