A129943 Left truncatable primes in base 7 (written in decimal form).

2, 3, 5, 17, 19, 23, 31, 37, 47, 227, 233, 311, 313, 317, 331, 919, 997, 2371, 2389, 10601, 111443, 817337

Offset

1,1

Comments

There are a total number of 22 left truncatable primes in base 7.

Links

Table of n, a(n) for n=1..22.

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. A024782, A076623.

Sequence in context: A045313 A321910 A045314 * A341786 A129673 A215372

Adjacent sequences: A129940 A129941 A129942 * A129944 A129945 A129946

Keyword

nonn,fini,full,base

Author

Martin Renner, Jun 09 2007

Status

approved