[seqfan] Re: Primes describing digit positions

Hans Havermann gladhobo at bell.net
Tue Mar 3 17:11:13 CET 2020


EA: "S = 11, 41, 61, 83, 113, 101, ... But here is the tricky sequence T"

S is tricky enough! By hand, I find ..., 541, 1009, 599, ..., 991, 9001, 1031, ...




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