References to A107801

a(1)=prime(1), for n>=2 a(n) = smallest prime not previously used which contains a digit from a(n-1).
2, 23, 3, 13, 11, 17, 7, 37, 31, 19, 29, 59, 5, 53, 43, 41, 47, 67, 61, 71, 73, 79, 89, 83

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