A258235 - cp's OEIS frontend

A258235 Irregular triangle (or "upper Wythoff tree", or Beatty tree for r = (golden ratio)^2), T, of all nonnegative integers, each exactly once, as determined from the upper Wythoff sequence as described in Comments.

n	a(n)
1	0
2	2
3	1
4	7
5	3
6	5
7	20
8	10
9	15
10	8
11	54
12	4
13	6
14	23
15	28
16	41
17	21
18	143
19	9
20	11
21	13
22	16
23	18
24	57
25	62
26	75
27	109
28	55
29	376
30	31
31	36
32	44
33	49
34	22
35	24
36	26
37	29
38	42
39	146
40	151
41	164
42	198
43	287
44	144
45	986
46	12
47	14
48	17
49	19
50	65
51	70
52	78
53	83
54	96
55	112
56	117
57	130
58	56
59	58
60	60
61	63
62	76
63	110

[0, 2, 1, 7, 3, 5, 20, 10, 15, 8, 54, 4, 6, 23, 28, 41, 21, 143, 9, 11, 13, 16, 18, 57, 62, 75, 109, 55, 376, 31, 36, 44, 49, 22, 24, 26, 29, 42, 146, 151, 164, 198, 287, 144, 986, 12, 14, 17, 19, 65, 70, 78, 83, 96, 112, 117, 130, 56, 58, 60, 63, 76, 110]

cp's OEIS Frontend

A258235 Irregular triangle (or "upper Wythoff tree", or Beatty tree for r = (golden ratio)^2), T, of all nonnegative integers, each exactly once, as determined from the upper Wythoff sequence as described in Comments.

Table of values

List of values

n	a(n)
1	0
2	2
3	1
4	7
5	3
6	5
7	20
8	10
9	15
10	8
11	54
12	4
13	6
14	23
15	28
16	41
17	21
18	143
19	9
20	11
21	13
22	16
23	18
24	57
25	62
26	75
27	109
28	55
29	376
30	31
31	36
32	44
33	49
34	22
35	24
36	26
37	29
38	42
39	146
40	151
41	164
42	198
43	287
44	144
45	986
46	12
47	14
48	17
49	19
50	65
51	70
52	78
53	83
54	96
55	112
56	117
57	130
58	56
59	58
60	60
61	63
62	76
63	110

n	a(n)
1	0
2	2
3	1
4	7
5	3
6	5
7	20
8	10
9	15
10	8
11	54
12	4
13	6
14	23
15	28
16	41
17	21
18	143
19	9
20	11
21	13
22	16
23	18
24	57
25	62
26	75
27	109
28	55
29	376
30	31
31	36
32	44
33	49
34	22
35	24
36	26
37	29
38	42
39	146
40	151
41	164
42	198
43	287
44	144
45	986
46	12
47	14
48	17
49	19
50	65
51	70
52	78
53	83
54	96
55	112
56	117
57	130
58	56
59	58
60	60
61	63
62	76
63	110

n	a(n)
1	0
2	2
3	1
4	7
5	3
6	5
7	20
8	10
9	15
10	8
11	54
12	4
13	6
14	23
15	28
16	41
17	21
18	143
19	9
20	11
21	13
22	16
23	18
24	57
25	62
26	75
27	109
28	55
29	376
30	31
31	36
32	44
33	49
34	22
35	24
36	26
37	29
38	42
39	146
40	151
41	164
42	198
43	287
44	144
45	986
46	12
47	14
48	17
49	19
50	65
51	70
52	78
53	83
54	96
55	112
56	117
57	130
58	56
59	58
60	60
61	63
62	76
63	110