Puzzle Detail
Sequence Pattern Seq Triangle Nums Hard — Set 31
Hard Sequence Pattern #31
- Title
- Hard Sequence Pattern #31
- SequenceType
- seq-triangle-nums
- DisplaySequence
- 1
- _
- 6
- 10
- _
- 21
- 28
- _
- 45
- 55
- FullSequence
- 1
- 3
- 6
- 10
- 15
- 21
- 28
- 36
- 45
- 55
- BlankPositions
- 1
- 4
- 7
- Answers
- 3
- 15
- 36
- Rule
- Triangular numbers: 1, 3, 6, 10, 15 …
- Question
- Find the 3 missing terms in the sequence: 1, _, 6, 10, _, 21, 28, _, 45, 55
- SequenceLength
- 10
- Hint
- Add 1 more than you added before each time.