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A217875 Primes which have the same (base 10) digital sum A007953 as the next smaller and next larger prime. 1
22229, 25391, 69557, 107563, 111409, 167953, 200843, 202309, 208609, 217271, 221891, 236609, 238591, 250091, 250343, 274609, 290557, 355591, 373091, 382391, 404291, 407119, 415409, 417419, 439063, 441229, 447943, 515191, 542873, 581891, 582119, 591691, 614963 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

M. F. Hasler, Table of n, a(n) for n = 1..733 (all terms below 10^7).

C. Caldwell (Ed.), 22229 (another Prime Pages' Curiosity).

PROG

(PARI) {q=r=0; forprime(p=1, default(primelimit), (p-q)%18==0 & (q-r)%18==0 & A007953(p)==A007953(q) & A007953(p)==A007953(r) & print1(q", "); r=q; q=p)}

CROSSREFS

A subsequence of A066540.

Sequence in context: A209396 A210295 A060109 * A253737 A185608 A204148

Adjacent sequences:  A217872 A217873 A217874 * A217876 A217877 A217878

KEYWORD

nonn,base

AUTHOR

M. F. Hasler, Oct 13 2012

STATUS

approved

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Last modified October 22 16:15 EDT 2021. Contains 348174 sequences. (Running on oeis4.)