A030720 a(n)=least k such that s(k)=n, where s=A030717.

1, 3, 6, 11, 16, 20, 25, 36, 44, 52, 45, 74, 192, 73, 53, 103, 86, 63, 121, 75, 636, 951, 88, 1023, 104, 164, 122, 815, 142, 120, 165, 248, 949, 950, 190, 1021, 1022, 140, 218, 948

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• more

Extensions

a(22)-a(40) from Sean A. Irvine, Apr 08 2020