A025732 - OEIS

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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

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..55.

CROSSREFS

Cf. A001018, A025633.

Sequence in context: A025716 A254835 A025725 * A025739 A000124 A152947

Adjacent sequences: A025729 A025730 A025731 * A025733 A025734 A025735

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved