Least m such that A078142(m) = A006530(m) = n-th prime.

Terms

a(0) =2a(1) =6a(2) =15a(3) =105a(4) =110a(5) =2145a(6) =935a(7) =3553a(8) =163438a(9) =618222a(10) =1681130a(11) =1314610a(12) =7478810a(13) =56528230a(14) =2533253470a(15) =872029246a(16) =84271102135a(17) =459400861870a(18) =58425959482a(19) =247074041822a(20) =949284476474