Numbers k with the property that the set of decimal digits of k matches the set of first digits of the prime factors of k.

A359491

Numbers k with the property that the set of decimal digits of k matches the set of first digits of the prime factors of k.

Terms

    a(0) =2a(1) =3a(2) =5a(3) =7a(4) =333a(5) =23532a(6) =33165a(7) =77322a(8) =175175a(9) =232152a(10) =321372a(11) =373212a(12) =515375a(13) =712236a(14) =2249232a(15) =2321232a(16) =2971332a(17) =3372138a(18) =3611322a(19) =4313331a(20) =5773131a(21) =12322332a(22) =23147124a(23) =42323112a(24) =72325232a(25) =113338575a(26) =123221232a(27) =132232224a(28) =172232112a(29) =212322912

External references