A030999 Position of n-th 0 in A030998.

0, 8, 22, 36, 50, 64, 78, 92, 93, 95, 98, 101, 104, 107, 110, 114, 135, 156, 177, 198, 219, 239, 240, 242, 245, 248, 251, 254, 257, 261, 282, 303, 324, 345, 366, 386, 387, 389, 392, 395, 398, 401, 404, 408, 429, 450, 471, 492, 513

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1001

Programs

Mathematica

Rest[Flatten[Position[Flatten[IntegerDigits[#,7]&/@Range[0,200]], 0]]]-1 (* Harvey P. Dale, Oct 10 2011 *)

Extensions

Missing a(1)=0 inserted by Sean A. Irvine, Apr 10 2020