A025737 Index of 9^n within sequence of numbers of form 7^i*9^j.

1, 3, 6, 10, 15, 21, 28, 36, 46, 57, 69, 82, 96, 111, 127, 144, 163, 183, 204, 226, 249, 273, 298, 324, 352, 381, 411, 442, 474, 507, 541, 577, 614, 652, 691, 731, 772, 814, 857, 902, 948, 995, 1043, 1092, 1142, 1193, 1245, 1299, 1354, 1410, 1467, 1525, 1584, 1644

Offset

1,2

Links

Table of n, a(n) for n=1..54.

Crossrefs

Sequence in context: A075057 A069792 A194153 * A120721 A122056 A358038

Adjacent sequences: A025734 A025735 A025736 * A025738 A025739 A025740

Keyword

nonn

Author

David W. Wilson

Status

approved