A243700 - cp's OEIS frontend

A243700 The lexicographically earliest sequence of distinct terms with a(1) = 1 such that a(n) divides the sum of the first a(n) terms.

n	a(n)
1	1
2	3
3	2
4	5
5	9
6	7
7	8
8	13
9	15
10	11
11	14
12	16
13	26
14	24
15	41
16	29
17	18
18	28
19	20
20	30
21	22
22	32
23	25
24	33
25	43
26	45
27	31
28	37
29	50
30	52
31	54
32	56
33	58
34	35
35	87
36	38
37	55
38	67
39	40
40	60
41	72
42	44
43	63
44	77
45	79
46	47
47	70
48	49
49	121
50	88
51	53
52	129
53	94
54	96
55	98
56	100
57	59
58	89
59	105
60	107
61	62
62	158
63	113
64	65
65	102
66	68
67	103
68	189

[1, 3, 2, 5, 9, 7, 8, 13, 15, 11, 14, 16, 26, 24, 41, 29, 18, 28, 20, 30, 22, 32, 25, 33, 43, 45, 31, 37, 50, 52, 54, 56, 58, 35, 87, 38, 55, 67, 40, 60, 72, 44, 63, 77, 79, 47, 70, 49, 121, 88, 53, 129, 94, 96, 98, 100, 59, 89, 105, 107, 62, 158, 113, 65, 102, 68, 103, 189]

cp's OEIS Frontend

A243700 The lexicographically earliest sequence of distinct terms with a(1) = 1 such that a(n) divides the sum of the first a(n) terms.

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	5
5	9
6	7
7	8
8	13
9	15
10	11
11	14
12	16
13	26
14	24
15	41
16	29
17	18
18	28
19	20
20	30
21	22
22	32
23	25
24	33
25	43
26	45
27	31
28	37
29	50
30	52
31	54
32	56
33	58
34	35
35	87
36	38
37	55
38	67
39	40
40	60
41	72
42	44
43	63
44	77
45	79
46	47
47	70
48	49
49	121
50	88
51	53
52	129
53	94
54	96
55	98
56	100
57	59
58	89
59	105
60	107
61	62
62	158
63	113
64	65
65	102
66	68
67	103
68	189

n	a(n)
1	1
2	3
3	2
4	5
5	9
6	7
7	8
8	13
9	15
10	11
11	14
12	16
13	26
14	24
15	41
16	29
17	18
18	28
19	20
20	30
21	22
22	32
23	25
24	33
25	43
26	45
27	31
28	37
29	50
30	52
31	54
32	56
33	58
34	35
35	87
36	38
37	55
38	67
39	40
40	60
41	72
42	44
43	63
44	77
45	79
46	47
47	70
48	49
49	121
50	88
51	53
52	129
53	94
54	96
55	98
56	100
57	59
58	89
59	105
60	107
61	62
62	158
63	113
64	65
65	102
66	68
67	103
68	189

n	a(n)
1	1
2	3
3	2
4	5
5	9
6	7
7	8
8	13
9	15
10	11
11	14
12	16
13	26
14	24
15	41
16	29
17	18
18	28
19	20
20	30
21	22
22	32
23	25
24	33
25	43
26	45
27	31
28	37
29	50
30	52
31	54
32	56
33	58
34	35
35	87
36	38
37	55
38	67
39	40
40	60
41	72
42	44
43	63
44	77
45	79
46	47
47	70
48	49
49	121
50	88
51	53
52	129
53	94
54	96
55	98
56	100
57	59
58	89
59	105
60	107
61	62
62	158
63	113
64	65
65	102
66	68
67	103
68	189