Smallest m such that A102730(m) = n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =8a(7) =23a(8) =117a(9) =155a(10) =1410a(11) =3702a(12) =29406a(13) =104312a(14) =680407