A100449 - cp's OEIS frontend

A100449 Number of ordered pairs (i,j) with |i| + |j| <= n and gcd(i,j) <= 1.

n	a(n)
0	1
1	5
2	9
3	17
4	25
5	41
6	49
7	73
8	89
9	113
10	129
11	169
12	185
13	233
14	257
15	289
16	321
17	385
18	409
19	481
20	513
21	561
22	601
23	689
24	721
25	801
26	849
27	921
28	969
29	1081
30	1113
31	1233
32	1297
33	1377
34	1441
35	1537
36	1585
37	1729
38	1801
39	1897
40	1961
41	2121
42	2169
43	2337
44	2417
45	2513
46	2601
47	2785
48	2849
49	3017

[1, 5, 9, 17, 25, 41, 49, 73, 89, 113, 129, 169, 185, 233, 257, 289, 321, 385, 409, 481, 513, 561, 601, 689, 721, 801, 849, 921, 969, 1081, 1113, 1233, 1297, 1377, 1441, 1537, 1585, 1729, 1801, 1897, 1961, 2121, 2169, 2337, 2417, 2513, 2601, 2785, 2849, 3017]

cp's OEIS Frontend

A100449 Number of ordered pairs (i,j) with |i| + |j| <= n and gcd(i,j) <= 1.

Table of values

List of values