A373230 - cp's OEIS frontend

A373230 Relative of Hofstadter Q-sequence: a(n) = 0 for n <= 0, a(n) = n for 1 <= n <= 10; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 10.

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

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 6, 11, 12, 13, 9, 14, 15, 16, 12, 17, 18, 19, 15, 20, 21, 17, 23, 18, 23, 25, 26, 22, 21, 31, 29, 21, 28, 34, 27, 29, 31, 27, 38, 33, 34, 31, 39, 37, 37, 30, 44, 36, 39, 35, 43, 45, 43, 30, 50, 50, 38, 42, 51, 48, 43, 40, 55, 51, 52, 37, 60, 57, 47]

cp's OEIS Frontend

A373230 Relative of Hofstadter Q-sequence: a(n) = 0 for n <= 0, a(n) = n for 1 <= n <= 10; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 10.

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

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

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