A080594 - cp's OEIS frontend

A080594 Consider the standard game of Nim with 3 heaps and make a list of the losing positions (x,y,z) with x <= y <= z in reverse lexicographic order; sequence gives y values.

n	a(n)
0	0
1	1
2	2
3	2
4	3
5	4
6	4
7	5
8	4
9	5
10	6
11	4
12	5
13	6
14	7
15	8
16	8
17	9
18	8
19	9
20	10
21	8
22	9
23	10
24	11
25	8
26	9
27	10
28	11
29	12
30	8
31	9
32	10
33	11
34	12
35	13
36	8
37	9
38	10
39	11
40	12
41	13
42	14
43	8
44	9
45	10
46	11
47	12
48	13
49	14
50	15
51	16
52	16
53	17
54	16
55	17
56	18
57	16
58	17
59	18
60	19
61	16
62	17
63	18
64	19
65	20
66	16
67	17
68	18
69	19
70	20
71	21
72	16
73	17
74	18
75	19
76	20
77	21
78	22
79	16

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

cp's OEIS Frontend

A080594 Consider the standard game of Nim with 3 heaps and make a list of the losing positions (x,y,z) with x <= y <= z in reverse lexicographic order; sequence gives y values.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	2
4	3
5	4
6	4
7	5
8	4
9	5
10	6
11	4
12	5
13	6
14	7
15	8
16	8
17	9
18	8
19	9
20	10
21	8
22	9
23	10
24	11
25	8
26	9
27	10
28	11
29	12
30	8
31	9
32	10
33	11
34	12
35	13
36	8
37	9
38	10
39	11
40	12
41	13
42	14
43	8
44	9
45	10
46	11
47	12
48	13
49	14
50	15
51	16
52	16
53	17
54	16
55	17
56	18
57	16
58	17
59	18
60	19
61	16
62	17
63	18
64	19
65	20
66	16
67	17
68	18
69	19
70	20
71	21
72	16
73	17
74	18
75	19
76	20
77	21
78	22
79	16

n	a(n)
0	0
1	1
2	2
3	2
4	3
5	4
6	4
7	5
8	4
9	5
10	6
11	4
12	5
13	6
14	7
15	8
16	8
17	9
18	8
19	9
20	10
21	8
22	9
23	10
24	11
25	8
26	9
27	10
28	11
29	12
30	8
31	9
32	10
33	11
34	12
35	13
36	8
37	9
38	10
39	11
40	12
41	13
42	14
43	8
44	9
45	10
46	11
47	12
48	13
49	14
50	15
51	16
52	16
53	17
54	16
55	17
56	18
57	16
58	17
59	18
60	19
61	16
62	17
63	18
64	19
65	20
66	16
67	17
68	18
69	19
70	20
71	21
72	16
73	17
74	18
75	19
76	20
77	21
78	22
79	16

n	a(n)
0	0
1	1
2	2
3	2
4	3
5	4
6	4
7	5
8	4
9	5
10	6
11	4
12	5
13	6
14	7
15	8
16	8
17	9
18	8
19	9
20	10
21	8
22	9
23	10
24	11
25	8
26	9
27	10
28	11
29	12
30	8
31	9
32	10
33	11
34	12
35	13
36	8
37	9
38	10
39	11
40	12
41	13
42	14
43	8
44	9
45	10
46	11
47	12
48	13
49	14
50	15
51	16
52	16
53	17
54	16
55	17
56	18
57	16
58	17
59	18
60	19
61	16
62	17
63	18
64	19
65	20
66	16
67	17
68	18
69	19
70	20
71	21
72	16
73	17
74	18
75	19
76	20
77	21
78	22
79	16