A228853 - cp's OEIS frontend

A228853 Nodes of tree generated as follows: (1,2) is an edge, and if (x,y) is an edge, then (y,y+x) and (y,2y+x) are edges.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	8
7	11
8	12
9	13
10	17
11	18
12	19
13	21
14	26
15	27
16	29
17	30
18	31
19	34
20	41
21	43
22	44
23	45
24	46
25	47
26	49
27	50
28	55
29	63
30	64
31	65
32	67
33	68
34	69
35	70
36	71
37	73
38	74
39	75
40	76
41	79
42	80
43	81
44	89
45	97
46	99
47	100
48	101
49	104
50	105
51	106
52	108
53	109
54	111
55	112
56	115
57	116
58	117
59	119
60	121
61	123
62	128

[1, 2, 3, 5, 7, 8, 11, 12, 13, 17, 18, 19, 21, 26, 27, 29, 30, 31, 34, 41, 43, 44, 45, 46, 47, 49, 50, 55, 63, 64, 65, 67, 68, 69, 70, 71, 73, 74, 75, 76, 79, 80, 81, 89, 97, 99, 100, 101, 104, 105, 106, 108, 109, 111, 112, 115, 116, 117, 119, 121, 123, 128]

cp's OEIS Frontend

A228853 Nodes of tree generated as follows: (1,2) is an edge, and if (x,y) is an edge, then (y,y+x) and (y,2y+x) are edges.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	8
7	11
8	12
9	13
10	17
11	18
12	19
13	21
14	26
15	27
16	29
17	30
18	31
19	34
20	41
21	43
22	44
23	45
24	46
25	47
26	49
27	50
28	55
29	63
30	64
31	65
32	67
33	68
34	69
35	70
36	71
37	73
38	74
39	75
40	76
41	79
42	80
43	81
44	89
45	97
46	99
47	100
48	101
49	104
50	105
51	106
52	108
53	109
54	111
55	112
56	115
57	116
58	117
59	119
60	121
61	123
62	128

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	8
7	11
8	12
9	13
10	17
11	18
12	19
13	21
14	26
15	27
16	29
17	30
18	31
19	34
20	41
21	43
22	44
23	45
24	46
25	47
26	49
27	50
28	55
29	63
30	64
31	65
32	67
33	68
34	69
35	70
36	71
37	73
38	74
39	75
40	76
41	79
42	80
43	81
44	89
45	97
46	99
47	100
48	101
49	104
50	105
51	106
52	108
53	109
54	111
55	112
56	115
57	116
58	117
59	119
60	121
61	123
62	128

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	8
7	11
8	12
9	13
10	17
11	18
12	19
13	21
14	26
15	27
16	29
17	30
18	31
19	34
20	41
21	43
22	44
23	45
24	46
25	47
26	49
27	50
28	55
29	63
30	64
31	65
32	67
33	68
34	69
35	70
36	71
37	73
38	74
39	75
40	76
41	79
42	80
43	81
44	89
45	97
46	99
47	100
48	101
49	104
50	105
51	106
52	108
53	109
54	111
55	112
56	115
57	116
58	117
59	119
60	121
61	123
62	128