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A219248 Numbers such that the absolute difference of any two adjacent (decimal) digits is prime. 6
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 13, 14, 16, 18, 20, 24, 25, 27, 29, 30, 31, 35, 36, 38, 41, 42, 46, 47, 49, 50, 52, 53, 57, 58, 61, 63, 64, 68, 69, 70, 72, 74, 75, 79, 81, 83, 85, 86, 92, 94, 96, 97, 130, 131, 135, 136, 138, 141, 142, 146, 147, 149, 161, 163, 164 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Numbers which may (and do) occur in A219250 and A219249 (union {0}).

This is to A219250 and A219249 what A182175 is to A182177 and A182178.

LINKS

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

E. Angelini, Any digit-pair in S sums to a prime, SeqFan list, Apr 11 2013

MATHEMATICA

Select[Range[0, 200], And@@PrimeQ[Abs[Differences[IntegerDigits[#]]]]&] (* Harvey P. Dale, Jun 06 2014 *)

PROG

(PARI) is_A219248(n)={!for(i=2, #n=digits(n), isprime(abs(n[i-1]-n[i]))||return)}

CROSSREFS

Sequence in context: A052061 A045540 A119509 * A055568 A283161 A165165

Adjacent sequences:  A219245 A219246 A219247 * A219249 A219250 A219251

KEYWORD

nonn,base

AUTHOR

M. F. Hasler, Apr 12 2013

STATUS

approved

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Last modified February 24 08:09 EST 2020. Contains 332199 sequences. (Running on oeis4.)