A048413 Primes whose consecutive digits differ by 1 or 2.

2, 3, 5, 7, 13, 23, 31, 43, 53, 67, 79, 89, 97, 101, 131, 313, 353, 421, 431, 457, 467, 643, 653, 757, 787, 797, 1013, 1021, 1201, 1213, 1231, 1321, 2131, 2357, 2423, 2467, 3121, 3457, 3467, 4201, 4231, 4243, 4357, 4567, 4643, 4657, 4679, 5323, 5431, 5653

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

cdQ[n_]:=Module[{idnd=Abs[Differences[IntegerDigits[n]]]}, Max[idnd]<3 && Min[idnd]>0]; Select[Prime[Range[800]], cdQ] (* Harvey P. Dale, Sep 29 2012 *)

Crossrefs

Cf. A048414-A048420.

Sequence in context: A322475 A181526 A163487 * A064336 A179921 A211073

Adjacent sequences: A048410 A048411 A048412 * A048414 A048415 A048416

Keyword

nonn,base

Author

Patrick De Geest, Apr 15 1999

Status

approved