Tuesday, 31 December 2019

what’s next?

 I’m very well acquainted too with matters mathematical,
 I understand equations, both the simple and quadratical.
W.S. Gilbert, The major general’s song, The Pirates of Penzance.
Instead of my usual cryptic poser, I’ve decided to set a more overtly mathematical problem for this year’s new year puzzle:

3, 5, 13, 19, 31, 43, 61, 73, 103, ??

What is the next number in the sequence, which continues to infinity?

If you found this easy, then try this one from two years ago:

Chainwords #2

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