a(n) is least k such that A077614(k)=n or 0 if there is none.
A077615
a(n) is least k such that A077614(k)=n or 0 if there is none.
Terms
- a(0) =1a(1) =4a(2) =31a(3) =255a(4) =431a(5) =432a(6) =1727a(7) =2700a(8) =21599a(9) =21600a(10) =10800a(11) =10799a(12) =43200a(13) =43199a(14) =80999a(15) =161999a(16) =162000
External references
- oeis: A077615