A296690 - cp's OEIS frontend

A296690 a(1) = a(2) = a(3) = 2, a(4) = 4, a(5) = a(6) = 5; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 6.

n	a(n)
1	2
2	2
3	2
4	4
5	5
6	5
7	6
8	6
9	8
10	10
11	9
12	8
13	11
14	12
15	12
16	13
17	14
18	14
19	15
20	15
21	16
22	17
23	17
24	18
25	18
26	20
27	22
28	21
29	20
30	24
31	25
32	20
33	25
34	28
35	28
36	21
37	29
38	32
39	30
40	25
41	30
42	30
43	36
44	30
45	32
46	35
47	34
48	36
49	35
50	37
51	37
52	38
53	38
54	40
55	40
56	40
57	42
58	41
59	43
60	43
61	43
62	45
63	44
64	46
65	46
66	47
67	47
68	49
69	49
70	49
71	51
72	50
73	52
74	52
75	52
76	54
77	53
78	56
79	55
80	58
81	55
82	62
83	55

[2, 2, 2, 4, 5, 5, 6, 6, 8, 10, 9, 8, 11, 12, 12, 13, 14, 14, 15, 15, 16, 17, 17, 18, 18, 20, 22, 21, 20, 24, 25, 20, 25, 28, 28, 21, 29, 32, 30, 25, 30, 30, 36, 30, 32, 35, 34, 36, 35, 37, 37, 38, 38, 40, 40, 40, 42, 41, 43, 43, 43, 45, 44, 46, 46, 47, 47, 49, 49, 49, 51, 50, 52, 52, 52, 54, 53, 56, 55, 58, 55, 62, 55]

cp's OEIS Frontend

A296690 a(1) = a(2) = a(3) = 2, a(4) = 4, a(5) = a(6) = 5; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 6.

Table of values

List of values

n	a(n)
1	2
2	2
3	2
4	4
5	5
6	5
7	6
8	6
9	8
10	10
11	9
12	8
13	11
14	12
15	12
16	13
17	14
18	14
19	15
20	15
21	16
22	17
23	17
24	18
25	18
26	20
27	22
28	21
29	20
30	24
31	25
32	20
33	25
34	28
35	28
36	21
37	29
38	32
39	30
40	25
41	30
42	30
43	36
44	30
45	32
46	35
47	34
48	36
49	35
50	37
51	37
52	38
53	38
54	40
55	40
56	40
57	42
58	41
59	43
60	43
61	43
62	45
63	44
64	46
65	46
66	47
67	47
68	49
69	49
70	49
71	51
72	50
73	52
74	52
75	52
76	54
77	53
78	56
79	55
80	58
81	55
82	62
83	55

n	a(n)
1	2
2	2
3	2
4	4
5	5
6	5
7	6
8	6
9	8
10	10
11	9
12	8
13	11
14	12
15	12
16	13
17	14
18	14
19	15
20	15
21	16
22	17
23	17
24	18
25	18
26	20
27	22
28	21
29	20
30	24
31	25
32	20
33	25
34	28
35	28
36	21
37	29
38	32
39	30
40	25
41	30
42	30
43	36
44	30
45	32
46	35
47	34
48	36
49	35
50	37
51	37
52	38
53	38
54	40
55	40
56	40
57	42
58	41
59	43
60	43
61	43
62	45
63	44
64	46
65	46
66	47
67	47
68	49
69	49
70	49
71	51
72	50
73	52
74	52
75	52
76	54
77	53
78	56
79	55
80	58
81	55
82	62
83	55

n	a(n)
1	2
2	2
3	2
4	4
5	5
6	5
7	6
8	6
9	8
10	10
11	9
12	8
13	11
14	12
15	12
16	13
17	14
18	14
19	15
20	15
21	16
22	17
23	17
24	18
25	18
26	20
27	22
28	21
29	20
30	24
31	25
32	20
33	25
34	28
35	28
36	21
37	29
38	32
39	30
40	25
41	30
42	30
43	36
44	30
45	32
46	35
47	34
48	36
49	35
50	37
51	37
52	38
53	38
54	40
55	40
56	40
57	42
58	41
59	43
60	43
61	43
62	45
63	44
64	46
65	46
66	47
67	47
68	49
69	49
70	49
71	51
72	50
73	52
74	52
75	52
76	54
77	53
78	56
79	55
80	58
81	55
82	62
83	55