A025738 - cp's OEIS frontend

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

n	a(n)
1	1
2	3
3	6
4	10
5	15
6	21
7	28
8	36
9	45
10	55
11	66
12	78
13	91
14	105
15	120
16	136
17	153
18	171
19	191
20	212
21	234
22	257
23	281
24	306
25	332
26	359
27	387
28	416
29	446
30	477
31	509
32	542
33	576
34	611
35	647
36	684
37	723
38	763
39	804
40	846
41	889
42	933
43	978
44	1024
45	1071
46	1119
47	1168
48	1218
49	1269
50	1321
51	1374
52	1428
53	1483
54	1540
55	1598

[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]

cp's OEIS Frontend

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

Table of values

List of values