A025738 Index of 9^n within sequence of numbers of form 8^i*9^j.

1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 191, 212, 234, 257, 281, 306, 332, 359, 387, 416, 446, 477, 509, 542, 576, 611, 647, 684, 723, 763, 804, 846, 889, 933, 978, 1024, 1071, 1119, 1168, 1218, 1269, 1321, 1374, 1428, 1483, 1540, 1598

Offset

1,2

Links

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

Crossrefs

Sequence in context: A176659 A109811 A025747 * A078256 A025731 A077367

Adjacent sequences: A025735 A025736 A025737 * A025739 A025740 A025741

Keyword

nonn

Author

David W. Wilson

Status

approved