A373229 - cp's OEIS frontend

A373229 Relative of Hofstadter Q-sequence: a(n) = n for 1 <= n <= 9; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 9.

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

[1, 2, 3, 4, 5, 6, 7, 8, 9, 6, 10, 11, 12, 9, 13, 14, 15, 12, 16, 17, 18, 15, 19, 20, 17, 22, 18, 22, 24, 25, 22, 21, 29, 28, 22, 24, 34, 27, 29, 28, 32, 27, 37, 33, 31, 34, 35, 36, 34, 36, 41, 36, 41, 36, 41, 43, 41, 43, 40, 48, 42, 41, 46, 46, 52, 43, 51, 46, 53, 51, 46, 56, 48]

cp's OEIS Frontend

A373229 Relative of Hofstadter Q-sequence: a(n) = n for 1 <= n <= 9; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 9.

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

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

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