Combinatorial Number Theory

Title	Author(s)	Imp.¹	Rec.²	Posted by
Davenport's constant		✭✭✭	0	mdevos
Frobenius number of four or more integers		✭✭	1	maxal
Few subsequence sums in Z_n x Z_n	Bollobas; Leader	✭✭	0	mdevos
The 3n+1 conjecture	Collatz	✭✭✭	0	dododododo
Gao's theorem for nonabelian groups	DeVos	✭✭	0	mdevos
Sets with distinct subset sums	Erdos	✭✭✭	0	mdevos
Odd incongruent covering systems	Erdos; Selfridge	✭✭✭	0	Robert Samal
Covering systems with big moduli	Erdos; Selfridge	✭✭	0	Robert Samal
Divisibility of central binomial coefficients	Graham	✭✭	1	maxal
Olson's Conjecture	Olson	✭✭	0	mdevos
Singmaster's conjecture	Singmaster	✭✭	1	Zach Teitler
Snevily's conjecture	Snevily	✭✭✭	1	mdevos

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