A158201 Primes with sum of largest digit and final digit is a prime.

11, 41, 43, 61, 83, 101, 211, 241, 283, 383, 401, 421, 431, 433, 443, 461, 601, 631, 641, 661, 683, 823, 853, 863, 883, 1021, 1061, 1201, 1283, 1361, 1423, 1433, 1483, 1583, 1601, 1621, 1783, 1823, 1873, 2011, 2083, 2111, 2141, 2143, 2161, 2221, 2243, 2341

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Mathematica

Select[Prime[Range[500]], PrimeQ[Max[IntegerDigits[#]]+ Last[ IntegerDigits[ #]]]&] (* Harvey P. Dale, Jun 23 2017 *)

Crossrefs

Cf. A000040, A157173.

Sequence in context: A239790 A065079 A065049 * A350006 A370156 A122015

Adjacent sequences: A158198 A158199 A158200 * A158202 A158203 A158204

Keyword

nonn,base,easy,less

Author

Juri-Stepan Gerasimov, Mar 13 2009

Status

approved