A366471 - cp's OEIS frontend

A366471 Number of increasing geometric progressions in {1,2,3,...,n} with rational ratio.

n	a(n)
1	1
2	3
3	6
4	11
5	16
6	22
7	29
8	39
9	50
10	60
11	71
12	84
13	97
14	111
15	126
16	147
17	164
18	184
19	203
20	224
21	245
22	267
23	290
24	316
25	345
26	371
27	402
28	431
29	460
30	490
31	521
32	559
33	592
34	626
35	661
36	702
37	739
38	777
39	816
40	858
41	899
42	941
43	984
44	1029
45	1076
46	1122
47	1169
48	1222
49	1277
50	1331
51	1382
52	1435
53	1488
54	1546
55	1601
56	1659
57	1716
58	1774
59	1833
60	1894
61	1955

[1, 3, 6, 11, 16, 22, 29, 39, 50, 60, 71, 84, 97, 111, 126, 147, 164, 184, 203, 224, 245, 267, 290, 316, 345, 371, 402, 431, 460, 490, 521, 559, 592, 626, 661, 702, 739, 777, 816, 858, 899, 941, 984, 1029, 1076, 1122, 1169, 1222, 1277, 1331, 1382, 1435, 1488, 1546, 1601, 1659, 1716, 1774, 1833, 1894, 1955]

cp's OEIS Frontend

A366471 Number of increasing geometric progressions in {1,2,3,...,n} with rational ratio.

Table of values

List of values