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A081027 Primes that are not in A080608. 1
11, 19, 41, 61, 89, 101, 109, 149, 151, 181, 191, 199, 211, 227, 241, 251, 257, 277, 281, 349, 389, 401, 409, 419, 421, 449, 461, 491, 499, 521, 541, 557, 577, 587, 601, 619, 641, 661, 691, 727, 757, 787, 809, 811, 821, 827, 857, 877, 881, 887, 911, 919, 941 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Repeated removal of a single digit must eventually result in a nonprime.

Undeletable primes. - Arkadiusz Wesolowski, Oct 18 2011

LINKS

Table of n, a(n) for n=1..53.

CROSSREFS

Cf. A080608.

Sequence in context: A066738 A278799 A337508 * A322474 A084986 A034844

Adjacent sequences:  A081024 A081025 A081026 * A081028 A081029 A081030

KEYWORD

nonn,base

AUTHOR

David W. Wilson, Mar 02 2003

STATUS

approved

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Last modified January 23 03:15 EST 2022. Contains 350504 sequences. (Running on oeis4.)