Smallest number requiring n steps to reach a prime under the "add a digit" process described in A241181.

A336382

Smallest number requiring n steps to reach a prime under the "add a digit" process described in A241181.

Terms

    a(0) =2a(1) =1a(2) =6a(3) =4a(4) =24a(5) =22a(6) =20a(7) =4020a(8) =4280a(9) =22198a(10) =22194a(11) =22200a(12) =31400a(13) =360652a(14) =360648a(15) =370260a(16) =604062a(17) =604060a(18) =1357203a(19) =2010734a(20) =4652359a(21) =4652354a(22) =4652352a(23) =17051708a(24) =20831337a(25) =20831329a(26) =20831324a(27) =47326699a(28) =47326692a(29) =123346278

External references