A155776 Even indices of multidigit primes with digits in strictly increasing order.

6, 8, 10, 12, 22, 24, 34, 52, 70, 72, 88, 92, 104, 204, 232, 278, 348, 350, 364, 376, 486, 644, 1478, 1504, 1830, 2622, 2646, 3694, 3704, 11602, 11706, 12560, 20884, 21698, 29630, 96140, 809912

Offset

1,1

Comments

The subset of even numbers of A155763 larger than 5. [From R. J. Mathar, Feb 06 2009]

Links

Table of n, a(n) for n=1..37.

Example

If n=6=even and prime(6)=13, then 1<3 and 6=a(1). If n=8=even and prime(8)=19, then 1<9 and 8=a(2). If n=10=even and prime(10)=29, then 2<9 and 10=a(3), etc.

Mathematica

Select[Range[6, 810000, 2], Min[Differences[IntegerDigits[Prime[#]]]]>0&] (* Harvey P. Dale, Mar 02 2014 *)

Crossrefs

Cf. A155763, A000040, A005843, A155079.

Sequence in context: A348147 A168335 A315852 * A243826 A295318 A343569

Adjacent sequences: A155773 A155774 A155775 * A155777 A155778 A155779

Keyword

nonn,base,fini,full

Author

Juri-Stepan Gerasimov, Jan 27 2009

Extensions

Corrected with better definition by Omar E. Pol, Jan 31 2009

All remaining terms from R. J. Mathar, Feb 06 2009

New name from Charles R Greathouse IV, Sep 11 2011

Status

approved