A373228 - cp's OEIS frontend

A373228 Relative of Hofstadter Q-sequence: a(n) = n for 1 <= n <= 8; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 8.

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

[1, 2, 3, 4, 5, 6, 7, 8, 6, 9, 10, 11, 9, 12, 13, 14, 12, 15, 16, 17, 15, 18, 19, 17, 21, 18, 21, 23, 24, 19, 26, 23, 28, 24, 28, 27, 24, 31, 32, 28, 24, 36, 36, 33, 23, 37, 38, 40, 27, 39, 38, 42, 35, 41, 38, 43, 42, 44, 39, 44, 42, 51, 42, 45, 48, 47, 51, 44, 54, 48, 52, 49, 53]

cp's OEIS Frontend

A373228 Relative of Hofstadter Q-sequence: a(n) = n for 1 <= n <= 8; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 8.

Table of values

List of values

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

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

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