Sequence Pattern Seq Odd Even Hard — Set 80

Hard Sequence Pattern #80

Title

Hard Sequence Pattern #80

SequenceType

seq-odd-even

DisplaySequence

• 1
• _
• 5
• 7
• _
• 11
• 13
• _
• 17
• 19

FullSequence

• 1
• 3
• 5
• 7
• 9
• 11
• 13
• 15
• 17
• 19

BlankPositions

• 1
• 4
• 7

Answers

• 3
• 9
• 15

Rule

Odd numbers in order

Question

Find the 3 missing terms in the sequence: 1, _, 5, 7, _, 11, 13, _, 17, 19

SequenceLength

10

Hint

Count by 2s starting at 1.