Crossnumber 5: Pattern

Here is one Crossnumber puzzle.

cn-5

Across: 1. Not coprime to 3 across. 3. A Fibonacci number. 5. Not a triangular number. 7. 101 times 10 across. 9. The sum of its digits is 10. 10. A triangular number.

Down: 1. 7 across read backwards. 2. Equal to 10 across. 4. The sum of its digits equals that of 5 across. 6. A multiple of 37. 8. Not a prime number.

Once you’ve completed the solution, a pattern will emerge.

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