hard Set 19 Logic Puzzle

Hard Sequence Pattern #19

Title
Hard Sequence Pattern #19
SequenceType
seq-matrix
DisplaySequence
  • 9
  • _
  • 17
  • 21
  • _
  • 29
  • 33
  • _
  • 41
  • 45
FullSequence
  • 9
  • 13
  • 17
  • 21
  • 25
  • 29
  • 33
  • 37
  • 41
  • 45
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 13
  • 25
  • 37
Rule
Each term = 4n + 5
Question
Find the 3 missing terms in the sequence: 9, _, 17, 21, _, 29, 33, _, 41, 45
SequenceLength
10
Hint
Find the linear formula: multiply position by a constant and add another.