%I #16 Mar 19 2013 18:04:49
%S 2,3,5,7,131,151,163,173,181,191,193,197,241,251,263,271,281,283,293,
%T 353,373,383,397,461,463,487,491,563,571,587,593,673,683,691,787,797,
%U 1231,1283,1291,1297,1321,1361,1373,1381,1451,1453,1471
%N Generalized mountain primes.
%C Primes in A134853. This sequence is finite because A134853 is.
%C Superset of A134951, mountain primes.
%C Question: How many terms are in this sequence?
%C The last term is a(7145) = 134567897654321. - _Giovanni Resta_, Mar 19 2013
%H Giovanni Resta, <a href="/A167853/b167853.txt">Table of n, a(n) for n = 1..7145</a> (full sequence)
%e Illustration of 136973 as a generalized mountain prime:
%e . . . 9 . .
%e . . . . . .
%e . . . . 7 .
%e . . 6 . . .
%e . . . . . .
%e . . . . . .
%e . 3 . . . 3
%e . . . . . .
%e 1 . . . . .
%Y Cf. A000040, A134853, A134941, A134951, A135642, A167845.
%K base,fini,full,nonn
%O 1,1
%A _Omar E. Pol_, Nov 13 2009, Nov 15 2009
%E More terms provided. _Harvey P. Dale_, Aug 19 2010
%E a(37)-a(47) corrected by _Giovanni Resta_, Mar 19 2013