A153165 Primes of form 6k+1 that use only digits 2 and 3.

223, 32233, 32323, 33223, 232333, 233323, 323233, 2332333, 2333323, 3222223, 3223333, 3233323, 3332233, 22223323, 22232233, 22232323, 23222233, 23223223, 23322223, 32322223, 33222223, 223323223, 223333333, 232232233, 232233223

Offset

1,1

Comments

Corresponding values of k: 37,5372,5387,5537,38722,38887,53872,388722,388887 (A153166).

Links

Table of n, a(n) for n=1..25.

Mathematica

Select[Flatten[Table[FromDigits/@Tuples[{2, 3}, n], {n, 9}]], PrimeQ[#]&&Mod[#, 6]==1&] (* Harvey P. Dale, Aug 16 2024 *)

Crossrefs

Cf. A152834 Numbers of form 6k+1 that use only digits 2 and 3.

Sequence in context: A152834 A139233 A205265 * A094491 A162604 A296896

Adjacent sequences: A153162 A153163 A153164 * A153166 A153167 A153168

Keyword

nonn,base

Author

Zak Seidov, Dec 20 2008

Status

approved