A228855 - cp's OEIS frontend

A228855 Nodes of tree generated as follows: (2,3) is an edge, and if (x,y) is an edge, then (y,y+x) and (y,2y+x) are edges.

n	a(n)
1	2
2	3
3	5
4	8
5	11
6	13
7	18
8	19
9	21
10	27
11	29
12	30
13	31
14	34
15	41
16	44
17	46
18	47
19	49
20	50
21	55
22	65
23	67
24	68
25	71
26	73
27	75
28	76
29	79
30	80
31	81
32	89
33	100
34	101
35	106
36	108
37	109
38	111
39	112
40	115
41	116
42	117
43	119
44	121
45	123
46	128
47	129
48	131
49	144
50	153
51	157
52	163
53	165
54	166
55	171
56	172
57	173
58	175
59	176

[2, 3, 5, 8, 11, 13, 18, 19, 21, 27, 29, 30, 31, 34, 41, 44, 46, 47, 49, 50, 55, 65, 67, 68, 71, 73, 75, 76, 79, 80, 81, 89, 100, 101, 106, 108, 109, 111, 112, 115, 116, 117, 119, 121, 123, 128, 129, 131, 144, 153, 157, 163, 165, 166, 171, 172, 173, 175, 176]

cp's OEIS Frontend

A228855 Nodes of tree generated as follows: (2,3) 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	2
2	3
3	5
4	8
5	11
6	13
7	18
8	19
9	21
10	27
11	29
12	30
13	31
14	34
15	41
16	44
17	46
18	47
19	49
20	50
21	55
22	65
23	67
24	68
25	71
26	73
27	75
28	76
29	79
30	80
31	81
32	89
33	100
34	101
35	106
36	108
37	109
38	111
39	112
40	115
41	116
42	117
43	119
44	121
45	123
46	128
47	129
48	131
49	144
50	153
51	157
52	163
53	165
54	166
55	171
56	172
57	173
58	175
59	176

n	a(n)
1	2
2	3
3	5
4	8
5	11
6	13
7	18
8	19
9	21
10	27
11	29
12	30
13	31
14	34
15	41
16	44
17	46
18	47
19	49
20	50
21	55
22	65
23	67
24	68
25	71
26	73
27	75
28	76
29	79
30	80
31	81
32	89
33	100
34	101
35	106
36	108
37	109
38	111
39	112
40	115
41	116
42	117
43	119
44	121
45	123
46	128
47	129
48	131
49	144
50	153
51	157
52	163
53	165
54	166
55	171
56	172
57	173
58	175
59	176

n	a(n)
1	2
2	3
3	5
4	8
5	11
6	13
7	18
8	19
9	21
10	27
11	29
12	30
13	31
14	34
15	41
16	44
17	46
18	47
19	49
20	50
21	55
22	65
23	67
24	68
25	71
26	73
27	75
28	76
29	79
30	80
31	81
32	89
33	100
34	101
35	106
36	108
37	109
38	111
39	112
40	115
41	116
42	117
43	119
44	121
45	123
46	128
47	129
48	131
49	144
50	153
51	157
52	163
53	165
54	166
55	171
56	172
57	173
58	175
59	176