127

This number is a prime.

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The sum of the numbers of all known prime knots on n crossings having Arf invariant 1, i.e., 1 + 1 + 1 + 2 + 4 + 11 + 24 + 83 = 127. [Sariyar]

Submitted: 2020-06-12 22:45:48; Last Modified: 2020-06-12 22:55:37.