a(n) is the least number k such that A349258(k) = A349258(k+1) = n.

A349261

a(n) is the least number k such that A349258(k) = A349258(k+1) = n.

Terms

    a(0) =2a(1) =14a(2) =125a(3) =135a(4) =2079a(5) =21735a(6) =2730375a(7) =916352a(8) =5955200a(9) =4122495a(10) =444741759a(11) =7391633535a(12) =98228219264

External references