A005243 - cp's OEIS frontend

A005243 A self-generating sequence: start with 1 and 2, take all sums of any number of successive previous elements and adjoin them to the sequence. Repeat!

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	10
8	11
9	14
10	16
11	17
12	18
13	19
14	21
15	22
16	24
17	25
18	29
19	30
20	32
21	33
22	34
23	35
24	37
25	40
26	41
27	43
28	45
29	46
30	47
31	49
32	51
33	54
34	57
35	58
36	59
37	60
38	62
39	65
40	67
41	68
42	69
43	70
44	71
45	72
46	73
47	75
48	76
49	77
50	78
51	80
52	81
53	82
54	84
55	86
56	87
57	88
58	90
59	91
60	92
61	93
62	94
63	95
64	96
65	97
66	99
67	100

[1, 2, 3, 5, 6, 8, 10, 11, 14, 16, 17, 18, 19, 21, 22, 24, 25, 29, 30, 32, 33, 34, 35, 37, 40, 41, 43, 45, 46, 47, 49, 51, 54, 57, 58, 59, 60, 62, 65, 67, 68, 69, 70, 71, 72, 73, 75, 76, 77, 78, 80, 81, 82, 84, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 97, 99, 100]

cp's OEIS Frontend

A005243 A self-generating sequence: start with 1 and 2, take all sums of any number of successive previous elements and adjoin them to the sequence. Repeat!

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	10
8	11
9	14
10	16
11	17
12	18
13	19
14	21
15	22
16	24
17	25
18	29
19	30
20	32
21	33
22	34
23	35
24	37
25	40
26	41
27	43
28	45
29	46
30	47
31	49
32	51
33	54
34	57
35	58
36	59
37	60
38	62
39	65
40	67
41	68
42	69
43	70
44	71
45	72
46	73
47	75
48	76
49	77
50	78
51	80
52	81
53	82
54	84
55	86
56	87
57	88
58	90
59	91
60	92
61	93
62	94
63	95
64	96
65	97
66	99
67	100

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	10
8	11
9	14
10	16
11	17
12	18
13	19
14	21
15	22
16	24
17	25
18	29
19	30
20	32
21	33
22	34
23	35
24	37
25	40
26	41
27	43
28	45
29	46
30	47
31	49
32	51
33	54
34	57
35	58
36	59
37	60
38	62
39	65
40	67
41	68
42	69
43	70
44	71
45	72
46	73
47	75
48	76
49	77
50	78
51	80
52	81
53	82
54	84
55	86
56	87
57	88
58	90
59	91
60	92
61	93
62	94
63	95
64	96
65	97
66	99
67	100

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	10
8	11
9	14
10	16
11	17
12	18
13	19
14	21
15	22
16	24
17	25
18	29
19	30
20	32
21	33
22	34
23	35
24	37
25	40
26	41
27	43
28	45
29	46
30	47
31	49
32	51
33	54
34	57
35	58
36	59
37	60
38	62
39	65
40	67
41	68
42	69
43	70
44	71
45	72
46	73
47	75
48	76
49	77
50	78
51	80
52	81
53	82
54	84
55	86
56	87
57	88
58	90
59	91
60	92
61	93
62	94
63	95
64	96
65	97
66	99
67	100