A025726 - cp's OEIS frontend

A025726 Index of 7^n within sequence of numbers of form 7^i*9^j.

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	16
7	22
8	29
9	37
10	45
11	54
12	64
13	75
14	87
15	100
16	114
17	129
18	145
19	161
20	178
21	196
22	215
23	235
24	256
25	278
26	301
27	325
28	349
29	374
30	400
31	427
32	455
33	484
34	514
35	545
36	576
37	608
38	641
39	675
40	710
41	746
42	783
43	821
44	860
45	899
46	939
47	980
48	1022
49	1065
50	1109
51	1154
52	1200
53	1247
54	1294
55	1342

[1, 2, 4, 7, 11, 16, 22, 29, 37, 45, 54, 64, 75, 87, 100, 114, 129, 145, 161, 178, 196, 215, 235, 256, 278, 301, 325, 349, 374, 400, 427, 455, 484, 514, 545, 576, 608, 641, 675, 710, 746, 783, 821, 860, 899, 939, 980, 1022, 1065, 1109, 1154, 1200, 1247, 1294, 1342]

cp's OEIS Frontend

A025726 Index of 7^n within sequence of numbers of form 7^i*9^j.

Table of values

List of values