A048417 Primes whose consecutive digits differ by 5 or 6.

2, 3, 5, 7, 17, 61, 71, 83, 271, 283, 383, 617, 727, 827, 839, 7283, 16061, 27271, 27283, 28283, 28393, 38393, 39383, 49393, 60617, 61717, 72727, 82727, 83939, 93827, 93949, 94949, 161717, 171617, 172717, 272717, 282827, 283949, 382727

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..100

Mathematica

cd56Q[n_]:=Module[{d=Abs[Differences[IntegerDigits[n]]]}, Max[d]<7 && Min[ d]>4]; Select[Prime[Range[33000]], cd56Q] (* Harvey P. Dale, Oct 02 2012 *)

Crossrefs

Cf. A048413-A048420.

Sequence in context: A040149 A168034 A034970 * A071710 A048403 A000519

Adjacent sequences: A048414 A048415 A048416 * A048418 A048419 A048420

Keyword

nonn,base

Author

Patrick De Geest, Apr 15 1999

Status

approved