expert Set 29 Logic Puzzle

Expert Sequence Pattern #29

Title
Expert Sequence Pattern #29
SequenceType
seq-matrix
DisplaySequence
  • 3
  • 5
  • _
  • 9
  • 11
  • 13
  • _
  • _
  • _
  • 21
FullSequence
  • 3
  • 5
  • 7
  • 9
  • 11
  • 13
  • 15
  • 17
  • 19
  • 21
BlankPositions
  • 2
  • 6
  • 7
  • 8
Answers
  • 7
  • 15
  • 17
  • 19
Rule
Each term = 2n + 1
Question
Find the 4 missing terms in the sequence: 3, 5, _, 9, 11, 13, _, _, _, 21
SequenceLength
10
Hint
Find the linear formula: multiply position by a constant and add another.