A003987 - cp's OEIS frontend

A003987 Table of n XOR m (or Nim-sum of n and m) read by antidiagonals with m>=0, n>=0.

n	a(n)
0	0
1	1
2	1
3	2
4	0
5	2
6	3
7	3
8	3
9	3
10	4
11	2
12	0
13	2
14	4
15	5
16	5
17	1
18	1
19	5
20	5
21	6
22	4
23	6
24	0
25	6
26	4
27	6
28	7
29	7
30	7
31	7
32	7
33	7
34	7
35	7
36	8
37	6
38	4
39	6
40	0
41	6
42	4
43	6
44	8
45	9
46	9
47	5
48	5
49	1
50	1
51	5
52	5
53	9
54	9
55	10
56	8
57	10
58	4
59	2
60	0
61	2
62	4
63	10
64	8
65	10
66	11
67	11
68	11
69	11
70	3
71	3
72	3
73	3
74	11
75	11
76	11
77	11
78	12
79	10
80	8
81	10
82	12
83	2
84	0
85	2
86	12
87	10
88	8
89	10
90	12
91	13
92	13
93	9
94	9
95	13
96	13
97	1
98	1
99	13
100	13
101	9
102	9
103	13
104	13

[0, 1, 1, 2, 0, 2, 3, 3, 3, 3, 4, 2, 0, 2, 4, 5, 5, 1, 1, 5, 5, 6, 4, 6, 0, 6, 4, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 6, 4, 6, 0, 6, 4, 6, 8, 9, 9, 5, 5, 1, 1, 5, 5, 9, 9, 10, 8, 10, 4, 2, 0, 2, 4, 10, 8, 10, 11, 11, 11, 11, 3, 3, 3, 3, 11, 11, 11, 11, 12, 10, 8, 10, 12, 2, 0, 2, 12, 10, 8, 10, 12, 13, 13, 9, 9, 13, 13, 1, 1, 13, 13, 9, 9, 13, 13]

cp's OEIS Frontend

A003987 Table of n XOR m (or Nim-sum of n and m) read by antidiagonals with m>=0, n>=0.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	2
4	0
5	2
6	3
7	3
8	3
9	3
10	4
11	2
12	0
13	2
14	4
15	5
16	5
17	1
18	1
19	5
20	5
21	6
22	4
23	6
24	0
25	6
26	4
27	6
28	7
29	7
30	7
31	7
32	7
33	7
34	7
35	7
36	8
37	6
38	4
39	6
40	0
41	6
42	4
43	6
44	8
45	9
46	9
47	5
48	5
49	1
50	1
51	5
52	5
53	9
54	9
55	10
56	8
57	10
58	4
59	2
60	0
61	2
62	4
63	10
64	8
65	10
66	11
67	11
68	11
69	11
70	3
71	3
72	3
73	3
74	11
75	11
76	11
77	11
78	12
79	10
80	8
81	10
82	12
83	2
84	0
85	2
86	12
87	10
88	8
89	10
90	12
91	13
92	13
93	9
94	9
95	13
96	13
97	1
98	1
99	13
100	13
101	9
102	9
103	13
104	13

n	a(n)
0	0
1	1
2	1
3	2
4	0
5	2
6	3
7	3
8	3
9	3
10	4
11	2
12	0
13	2
14	4
15	5
16	5
17	1
18	1
19	5
20	5
21	6
22	4
23	6
24	0
25	6
26	4
27	6
28	7
29	7
30	7
31	7
32	7
33	7
34	7
35	7
36	8
37	6
38	4
39	6
40	0
41	6
42	4
43	6
44	8
45	9
46	9
47	5
48	5
49	1
50	1
51	5
52	5
53	9
54	9
55	10
56	8
57	10
58	4
59	2
60	0
61	2
62	4
63	10
64	8
65	10
66	11
67	11
68	11
69	11
70	3
71	3
72	3
73	3
74	11
75	11
76	11
77	11
78	12
79	10
80	8
81	10
82	12
83	2
84	0
85	2
86	12
87	10
88	8
89	10
90	12
91	13
92	13
93	9
94	9
95	13
96	13
97	1
98	1
99	13
100	13
101	9
102	9
103	13
104	13

n	a(n)
0	0
1	1
2	1
3	2
4	0
5	2
6	3
7	3
8	3
9	3
10	4
11	2
12	0
13	2
14	4
15	5
16	5
17	1
18	1
19	5
20	5
21	6
22	4
23	6
24	0
25	6
26	4
27	6
28	7
29	7
30	7
31	7
32	7
33	7
34	7
35	7
36	8
37	6
38	4
39	6
40	0
41	6
42	4
43	6
44	8
45	9
46	9
47	5
48	5
49	1
50	1
51	5
52	5
53	9
54	9
55	10
56	8
57	10
58	4
59	2
60	0
61	2
62	4
63	10
64	8
65	10
66	11
67	11
68	11
69	11
70	3
71	3
72	3
73	3
74	11
75	11
76	11
77	11
78	12
79	10
80	8
81	10
82	12
83	2
84	0
85	2
86	12
87	10
88	8
89	10
90	12
91	13
92	13
93	9
94	9
95	13
96	13
97	1
98	1
99	13
100	13
101	9
102	9
103	13
104	13