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A084375 Indices of primes which remain prime if any one digit is deleted (leading zeros allowed). 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

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.

LINKS

Table of n, a(n) for n=1..49.

MATHEMATICA

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

CROSSREFS

Cf. A034302, A051362.

Sequence in context: A084799 A166136 A120154 * A076674 A176062 A027571

Adjacent sequences:  A084372 A084373 A084374 * A084376 A084377 A084378

KEYWORD

nonn,base

AUTHOR

Zak Seidov, Jun 23 2003

EXTENSIONS

Definition corrected by Harvey P. Dale, Jun 20 2011

STATUS

approved

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Last modified May 14 06:35 EDT 2021. Contains 343879 sequences. (Running on oeis4.)