hard Set 22 Logic Puzzle

Hard Sequence Pattern #22

Title
Hard Sequence Pattern #22
SequenceType
seq-matrix
DisplaySequence
  • 4
  • _
  • 10
  • 13
  • _
  • 19
  • 22
  • _
  • 28
  • 31
FullSequence
  • 4
  • 7
  • 10
  • 13
  • 16
  • 19
  • 22
  • 25
  • 28
  • 31
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 7
  • 16
  • 25
Rule
Each term = 3n + 1
Question
Find the 3 missing terms in the sequence: 4, _, 10, 13, _, 19, 22, _, 28, 31
SequenceLength
10
Hint
Find the linear formula: multiply position by a constant and add another.