A025729 Index of 8^n within sequence of numbers of form 5^i*8^j.

1, 3, 6, 10, 16, 23, 31, 41, 52, 64, 77, 92, 108, 125, 144, 164, 185, 207, 231, 256, 282, 310, 339, 369, 401, 434, 468, 503, 540, 578, 617, 658, 700, 743, 787, 833, 880, 928, 978, 1029, 1081, 1134, 1189, 1245, 1302, 1361, 1421, 1482, 1545, 1609, 1674, 1740, 1808

Offset

1,2

Links

Table of n, a(n) for n=1..53.

Crossrefs

Cf. A001018, A025623.

Differs from A025714 at a(65).

Sequence in context: A025744 A180746 A025714 * A011913 A024531 A034198

Adjacent sequences: A025726 A025727 A025728 * A025730 A025731 A025732

Keyword

nonn

Author

David W. Wilson

Status

approved