A119466 - cp's OEIS frontend

A119466 Consider the standard game of Nim with 3 heaps and make a list of the losing positions (x,y,z) with x <= y <= z sorted by sum, ties broken by putting smallest value of x first, then y, then z; sequence gives z values.

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	4
7	5
8	5
9	6
10	6
11	7
12	7
13	7
14	7
15	6
16	8
17	9
18	9
19	10
20	10
21	11
22	11
23	11
24	11
25	10
26	12
27	12
28	13
29	13
30	13
31	13
32	12
33	14
34	14
35	14
36	14
37	12
38	15
39	15
40	15
41	15
42	14
43	15
44	15
45	14
46	15
47	13
48	15
49	14
50	13
51	12
52	16
53	17
54	17
55	18
56	18
57	19
58	19
59	19
60	19
61	18
62	20
63	20
64	21
65	21
66	21
67	21
68	20
69	22
70	22
71	22
72	22
73	20
74	23
75	23

[0, 1, 2, 3, 3, 4, 5, 5, 6, 6, 7, 7, 7, 7, 6, 8, 9, 9, 10, 10, 11, 11, 11, 11, 10, 12, 12, 13, 13, 13, 13, 12, 14, 14, 14, 14, 12, 15, 15, 15, 15, 14, 15, 15, 14, 15, 13, 15, 14, 13, 12, 16, 17, 17, 18, 18, 19, 19, 19, 19, 18, 20, 20, 21, 21, 21, 21, 20, 22, 22, 22, 22, 20, 23, 23]

cp's OEIS Frontend

A119466 Consider the standard game of Nim with 3 heaps and make a list of the losing positions (x,y,z) with x <= y <= z sorted by sum, ties broken by putting smallest value of x first, then y, then z; sequence gives z values.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	4
7	5
8	5
9	6
10	6
11	7
12	7
13	7
14	7
15	6
16	8
17	9
18	9
19	10
20	10
21	11
22	11
23	11
24	11
25	10
26	12
27	12
28	13
29	13
30	13
31	13
32	12
33	14
34	14
35	14
36	14
37	12
38	15
39	15
40	15
41	15
42	14
43	15
44	15
45	14
46	15
47	13
48	15
49	14
50	13
51	12
52	16
53	17
54	17
55	18
56	18
57	19
58	19
59	19
60	19
61	18
62	20
63	20
64	21
65	21
66	21
67	21
68	20
69	22
70	22
71	22
72	22
73	20
74	23
75	23

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	4
7	5
8	5
9	6
10	6
11	7
12	7
13	7
14	7
15	6
16	8
17	9
18	9
19	10
20	10
21	11
22	11
23	11
24	11
25	10
26	12
27	12
28	13
29	13
30	13
31	13
32	12
33	14
34	14
35	14
36	14
37	12
38	15
39	15
40	15
41	15
42	14
43	15
44	15
45	14
46	15
47	13
48	15
49	14
50	13
51	12
52	16
53	17
54	17
55	18
56	18
57	19
58	19
59	19
60	19
61	18
62	20
63	20
64	21
65	21
66	21
67	21
68	20
69	22
70	22
71	22
72	22
73	20
74	23
75	23

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	4
7	5
8	5
9	6
10	6
11	7
12	7
13	7
14	7
15	6
16	8
17	9
18	9
19	10
20	10
21	11
22	11
23	11
24	11
25	10
26	12
27	12
28	13
29	13
30	13
31	13
32	12
33	14
34	14
35	14
36	14
37	12
38	15
39	15
40	15
41	15
42	14
43	15
44	15
45	14
46	15
47	13
48	15
49	14
50	13
51	12
52	16
53	17
54	17
55	18
56	18
57	19
58	19
59	19
60	19
61	18
62	20
63	20
64	21
65	21
66	21
67	21
68	20
69	22
70	22
71	22
72	22
73	20
74	23
75	23