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A133757 Total number of restricted right truncatable primes in base n. 0
0, 1, 2, 4, 9, 7, 20, 23, 27 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,3

COMMENTS

Prime digits p in base n are counted if there is no prime with 2 digits which can have its rightmost digit removed to produce p.

LINKS

Table of n, a(n) for n=2..10.

I. O. Angell and H. J. Godwin, On Truncatable Primes, Math. Comput. 31, 265-267, 1977.

Eric Weisstein's World of Mathematics, Truncatable Prime.

Index entries for sequences related to truncatable primes

CROSSREFS

Cf. A076586.

Sequence in context: A241473 A055858 A141389 * A076125 A011033 A179219

Adjacent sequences:  A133754 A133755 A133756 * A133758 A133759 A133760

KEYWORD

nonn,more

AUTHOR

Martin Renner, Jan 04 2008

STATUS

approved

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Last modified February 20 06:26 EST 2019. Contains 320332 sequences. (Running on oeis4.)