Smallest number requiring n steps to reach a prime under the "add a digit" process described in A241180.

A241182

Smallest number requiring n steps to reach a prime under the "add a digit" process described in A241180.

Terms

    a(0) =1a(1) =5a(2) =3a(3) =2a(4) =22a(5) =19a(6) =4020a(7) =4280a(8) =22198a(9) =22194a(10) =22193a(11) =31400a(12) =221101a(13) =360648a(14) =370260a(15) =604062a(16) =604060a(17) =1357201a(18) =2010734a(19) =2010733a(20) =4652353a(21) =4652352a(22) =17051708a(23) =17051707a(24) =20831329a(25) =20831323a(26) =47326699a(27) =47326692a(28) =123346277a(29) =256526120

External references