A124145 - cp's OEIS frontend

A124145 a(1)=1, a(2)=2, a(n)=smallest number greater than a(n-1) that can be written as sum of consecutive earlier terms in exactly one way.

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	10
8	16
9	17
10	18
11	19
12	22
13	25
14	26
15	29
16	32
17	33
18	37
19	40
20	41
21	43
22	45
23	47
24	48
25	50
26	54
27	55
28	57
29	59
30	62
31	66
32	67
33	68
34	69
35	73
36	75
37	76
38	77
39	81
40	83
41	85
42	86
43	87
44	95
45	98
46	99
47	101
48	105
49	109
50	117
51	118
52	120
53	126
54	128
55	129
56	131
57	133
58	134
59	137
60	139
61	140
62	141
63	143
64	146
65	148

[1, 2, 3, 5, 6, 8, 10, 16, 17, 18, 19, 22, 25, 26, 29, 32, 33, 37, 40, 41, 43, 45, 47, 48, 50, 54, 55, 57, 59, 62, 66, 67, 68, 69, 73, 75, 76, 77, 81, 83, 85, 86, 87, 95, 98, 99, 101, 105, 109, 117, 118, 120, 126, 128, 129, 131, 133, 134, 137, 139, 140, 141, 143, 146, 148]

cp's OEIS Frontend

A124145 a(1)=1, a(2)=2, a(n)=smallest number greater than a(n-1) that can be written as sum of consecutive earlier terms in exactly one way.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	10
8	16
9	17
10	18
11	19
12	22
13	25
14	26
15	29
16	32
17	33
18	37
19	40
20	41
21	43
22	45
23	47
24	48
25	50
26	54
27	55
28	57
29	59
30	62
31	66
32	67
33	68
34	69
35	73
36	75
37	76
38	77
39	81
40	83
41	85
42	86
43	87
44	95
45	98
46	99
47	101
48	105
49	109
50	117
51	118
52	120
53	126
54	128
55	129
56	131
57	133
58	134
59	137
60	139
61	140
62	141
63	143
64	146
65	148

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	10
8	16
9	17
10	18
11	19
12	22
13	25
14	26
15	29
16	32
17	33
18	37
19	40
20	41
21	43
22	45
23	47
24	48
25	50
26	54
27	55
28	57
29	59
30	62
31	66
32	67
33	68
34	69
35	73
36	75
37	76
38	77
39	81
40	83
41	85
42	86
43	87
44	95
45	98
46	99
47	101
48	105
49	109
50	117
51	118
52	120
53	126
54	128
55	129
56	131
57	133
58	134
59	137
60	139
61	140
62	141
63	143
64	146
65	148

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	10
8	16
9	17
10	18
11	19
12	22
13	25
14	26
15	29
16	32
17	33
18	37
19	40
20	41
21	43
22	45
23	47
24	48
25	50
26	54
27	55
28	57
29	59
30	62
31	66
32	67
33	68
34	69
35	73
36	75
37	76
38	77
39	81
40	83
41	85
42	86
43	87
44	95
45	98
46	99
47	101
48	105
49	109
50	117
51	118
52	120
53	126
54	128
55	129
56	131
57	133
58	134
59	137
60	139
61	140
62	141
63	143
64	146
65	148