Combinatorics › Pigeonhole and extremal problems

Maximum sums in sequences

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More in Pigeonhole and extremal problems

Coloured beads and balloonsCoprime subsetsDivisibility chainsExtremal countingFamilies of setsForcing a sum conditionGuaranteed minimumPairs and the pigeonhole principleParity arrangementsRamsey-type colouringsSmallest sums of setsSubsets avoiding differences