benchmarks.wiki / Public workspace

Omni-MATH / How many 3-element subsets of the set 1,2,3,…,19 have sum of elements divisible by 4? · Discussion

Discussing How many 3-element subsets of the set {1,2,3,…,19} have sum of elements divisible by 4? · Omni-MATH

Posts

Chronological order within this page.

Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.