A351631 - cp's OEIS frontend

A351631 The numbers that are not doubled in column -1 of the extended Trithoff (tribonacci) array.

n	a(n)
1	0
2	2
3	4
4	6
5	9
6	11
7	13
8	15
9	17
10	19
11	22
12	24
13	26
14	28
15	30
16	33
17	35
18	37
19	39
20	41
21	43
22	46
23	48
24	50
25	53
26	55
27	57
28	59
29	61
30	63
31	66
32	68
33	70
34	72
35	74
36	77
37	79
38	81
39	83
40	85
41	87
42	90
43	92
44	94
45	96
46	98
47	100
48	103
49	105
50	107
51	109
52	111
53	114
54	116
55	118
56	120
57	122
58	124
59	127
60	129
61	131
62	134
63	136
64	138
65	140
66	142
67	144
68	147
69	149
70	151

[0, 2, 4, 6, 9, 11, 13, 15, 17, 19, 22, 24, 26, 28, 30, 33, 35, 37, 39, 41, 43, 46, 48, 50, 53, 55, 57, 59, 61, 63, 66, 68, 70, 72, 74, 77, 79, 81, 83, 85, 87, 90, 92, 94, 96, 98, 100, 103, 105, 107, 109, 111, 114, 116, 118, 120, 122, 124, 127, 129, 131, 134, 136, 138, 140, 142, 144, 147, 149, 151]

cp's OEIS Frontend

A351631 The numbers that are not doubled in column -1 of the extended Trithoff (tribonacci) array.

Table of values

List of values

n	a(n)
1	0
2	2
3	4
4	6
5	9
6	11
7	13
8	15
9	17
10	19
11	22
12	24
13	26
14	28
15	30
16	33
17	35
18	37
19	39
20	41
21	43
22	46
23	48
24	50
25	53
26	55
27	57
28	59
29	61
30	63
31	66
32	68
33	70
34	72
35	74
36	77
37	79
38	81
39	83
40	85
41	87
42	90
43	92
44	94
45	96
46	98
47	100
48	103
49	105
50	107
51	109
52	111
53	114
54	116
55	118
56	120
57	122
58	124
59	127
60	129
61	131
62	134
63	136
64	138
65	140
66	142
67	144
68	147
69	149
70	151

n	a(n)
1	0
2	2
3	4
4	6
5	9
6	11
7	13
8	15
9	17
10	19
11	22
12	24
13	26
14	28
15	30
16	33
17	35
18	37
19	39
20	41
21	43
22	46
23	48
24	50
25	53
26	55
27	57
28	59
29	61
30	63
31	66
32	68
33	70
34	72
35	74
36	77
37	79
38	81
39	83
40	85
41	87
42	90
43	92
44	94
45	96
46	98
47	100
48	103
49	105
50	107
51	109
52	111
53	114
54	116
55	118
56	120
57	122
58	124
59	127
60	129
61	131
62	134
63	136
64	138
65	140
66	142
67	144
68	147
69	149
70	151

n	a(n)
1	0
2	2
3	4
4	6
5	9
6	11
7	13
8	15
9	17
10	19
11	22
12	24
13	26
14	28
15	30
16	33
17	35
18	37
19	39
20	41
21	43
22	46
23	48
24	50
25	53
26	55
27	57
28	59
29	61
30	63
31	66
32	68
33	70
34	72
35	74
36	77
37	79
38	81
39	83
40	85
41	87
42	90
43	92
44	94
45	96
46	98
47	100
48	103
49	105
50	107
51	109
52	111
53	114
54	116
55	118
56	120
57	122
58	124
59	127
60	129
61	131
62	134
63	136
64	138
65	140
66	142
67	144
68	147
69	149
70	151