A309704 - cp's OEIS frontend

A309704 a(1) = 3, a(2) = 4, a(3) = 5, a(4) = 4, a(5) = 5; a(6) = 6; a(n) = a(n-a(n-1)) + a(n-a(n-4)) for n > 6.

n	a(n)
1	3
2	4
3	5
4	4
5	5
6	6
7	7
8	7
9	8
10	8
11	9
12	10
13	10
14	10
15	11
16	11
17	13
18	12
19	14
20	14
21	14
22	15
23	15
24	16
25	17
26	17
27	18
28	18
29	19
30	19
31	20
32	20
33	20
34	21
35	21
36	22
37	24
38	23
39	23
40	25
41	24
42	26
43	27
44	27
45	26
46	28
47	28
48	28
49	29
50	29
51	30
52	31
53	31
54	32
55	32
56	33
57	33
58	34
59	35
60	35
61	35
62	36
63	36
64	37
65	37
66	38
67	39
68	39
69	39
70	40
71	40
72	40
73	41
74	41
75	42
76	43
77	43
78	45
79	45
80	45
81	45
82	48
83	44
84	48
85	49
86	47
87	52
88	47
89	51
90	50
91	47
92	52
93	50
94	54
95	52
96	54
97	55
98	54
99	54
100	56

[3, 4, 5, 4, 5, 6, 7, 7, 8, 8, 9, 10, 10, 10, 11, 11, 13, 12, 14, 14, 14, 15, 15, 16, 17, 17, 18, 18, 19, 19, 20, 20, 20, 21, 21, 22, 24, 23, 23, 25, 24, 26, 27, 27, 26, 28, 28, 28, 29, 29, 30, 31, 31, 32, 32, 33, 33, 34, 35, 35, 35, 36, 36, 37, 37, 38, 39, 39, 39, 40, 40, 40, 41, 41, 42, 43, 43, 45, 45, 45, 45, 48, 44, 48, 49, 47, 52, 47, 51, 50, 47, 52, 50, 54, 52, 54, 55, 54, 54, 56]

cp's OEIS Frontend

A309704 a(1) = 3, a(2) = 4, a(3) = 5, a(4) = 4, a(5) = 5; a(6) = 6; a(n) = a(n-a(n-1)) + a(n-a(n-4)) for n > 6.

Table of values

List of values

n	a(n)
1	3
2	4
3	5
4	4
5	5
6	6
7	7
8	7
9	8
10	8
11	9
12	10
13	10
14	10
15	11
16	11
17	13
18	12
19	14
20	14
21	14
22	15
23	15
24	16
25	17
26	17
27	18
28	18
29	19
30	19
31	20
32	20
33	20
34	21
35	21
36	22
37	24
38	23
39	23
40	25
41	24
42	26
43	27
44	27
45	26
46	28
47	28
48	28
49	29
50	29
51	30
52	31
53	31
54	32
55	32
56	33
57	33
58	34
59	35
60	35
61	35
62	36
63	36
64	37
65	37
66	38
67	39
68	39
69	39
70	40
71	40
72	40
73	41
74	41
75	42
76	43
77	43
78	45
79	45
80	45
81	45
82	48
83	44
84	48
85	49
86	47
87	52
88	47
89	51
90	50
91	47
92	52
93	50
94	54
95	52
96	54
97	55
98	54
99	54
100	56

n	a(n)
1	3
2	4
3	5
4	4
5	5
6	6
7	7
8	7
9	8
10	8
11	9
12	10
13	10
14	10
15	11
16	11
17	13
18	12
19	14
20	14
21	14
22	15
23	15
24	16
25	17
26	17
27	18
28	18
29	19
30	19
31	20
32	20
33	20
34	21
35	21
36	22
37	24
38	23
39	23
40	25
41	24
42	26
43	27
44	27
45	26
46	28
47	28
48	28
49	29
50	29
51	30
52	31
53	31
54	32
55	32
56	33
57	33
58	34
59	35
60	35
61	35
62	36
63	36
64	37
65	37
66	38
67	39
68	39
69	39
70	40
71	40
72	40
73	41
74	41
75	42
76	43
77	43
78	45
79	45
80	45
81	45
82	48
83	44
84	48
85	49
86	47
87	52
88	47
89	51
90	50
91	47
92	52
93	50
94	54
95	52
96	54
97	55
98	54
99	54
100	56

n	a(n)
1	3
2	4
3	5
4	4
5	5
6	6
7	7
8	7
9	8
10	8
11	9
12	10
13	10
14	10
15	11
16	11
17	13
18	12
19	14
20	14
21	14
22	15
23	15
24	16
25	17
26	17
27	18
28	18
29	19
30	19
31	20
32	20
33	20
34	21
35	21
36	22
37	24
38	23
39	23
40	25
41	24
42	26
43	27
44	27
45	26
46	28
47	28
48	28
49	29
50	29
51	30
52	31
53	31
54	32
55	32
56	33
57	33
58	34
59	35
60	35
61	35
62	36
63	36
64	37
65	37
66	38
67	39
68	39
69	39
70	40
71	40
72	40
73	41
74	41
75	42
76	43
77	43
78	45
79	45
80	45
81	45
82	48
83	44
84	48
85	49
86	47
87	52
88	47
89	51
90	50
91	47
92	52
93	50
94	54
95	52
96	54
97	55
98	54
99	54
100	56