A025732 Index of 8^n within sequence of numbers of form 8^i*9^j.

1, 2, 4, 7, 11, 16, 22, 29, 37, 46, 56, 67, 79, 92, 106, 121, 137, 154, 172, 190, 209, 229, 250, 272, 295, 319, 344, 370, 397, 425, 454, 484, 515, 547, 580, 614, 649, 685, 721, 758, 796, 835, 875, 916, 958, 1001, 1045, 1090, 1136, 1183, 1231, 1280, 1330, 1381, 1433

Offset: 1

Author

David W. Wilson

Keywords

• nonn

Comments

Positions of zeros in A025682. - R. J. Mathar, Jul 06 2025

Crossrefs

Cf. A001018, A025633.