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A084375
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Indices of primes which remain prime if any one digit is deleted (leading zeros allowed).
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0
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9, 12, 16, 21, 30, 32, 33, 40, 41, 45, 64, 66, 83, 113, 128, 170, 173, 184, 239, 302, 333, 341, 446, 555, 657, 804, 903, 942, 1194, 1252, 1295, 1345, 2258, 2652, 2943, 3246, 3926, 4205, 4939, 7243, 7318, 8716, 8864, 9028, 9103, 10594, 15249, 28712, 30451
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OFFSET
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1,1
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COMMENTS
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Primes of this kind (with and without leading zeros) are in A051362 and A034302. Here more terms are given and question is asked: is this sequence finite? From first 1,000,000 primes only 77 are of this kind.
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LINKS
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EXAMPLE
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The 41st prime is 179, and 17, 19, and 79 are all primes, so 41 is in the sequence. - Harvey P. Dale, Jun 20 2011
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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