A025739 - cp's OEIS frontend

A025739 Index of 9^n within sequence of numbers of form 9^i*10^j.

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	16
7	22
8	29
9	37
10	46
11	56
12	67
13	79
14	92
15	106
16	121
17	137
18	154
19	172
20	191
21	211
22	232
23	253
24	275
25	298
26	322
27	347
28	373
29	400
30	428
31	457
32	487
33	518
34	550
35	583
36	617
37	652
38	688
39	725
40	763
41	802
42	842
43	883
44	925
45	967
46	1010
47	1054
48	1099
49	1145
50	1192
51	1240
52	1289
53	1339
54	1390
55	1442

[1, 2, 4, 7, 11, 16, 22, 29, 37, 46, 56, 67, 79, 92, 106, 121, 137, 154, 172, 191, 211, 232, 253, 275, 298, 322, 347, 373, 400, 428, 457, 487, 518, 550, 583, 617, 652, 688, 725, 763, 802, 842, 883, 925, 967, 1010, 1054, 1099, 1145, 1192, 1240, 1289, 1339, 1390, 1442]

cp's OEIS Frontend

A025739 Index of 9^n within sequence of numbers of form 9^i*10^j.

Table of values

List of values