A278057 - cp's OEIS frontend

A278057 Relative of Hofstadter Q-sequence: a(n) = n for 1 <= n <= 5; a(n) = a(n-a(n-1)) + a(n-a(n-2)) for n > 5.

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

[1, 2, 3, 4, 5, 3, 6, 7, 5, 8, 6, 7, 9, 11, 7, 10, 14, 11, 12, 12, 10, 15, 16, 12, 14, 18, 14, 19, 15, 13, 21, 18, 14, 22, 19, 25, 18, 21, 21, 24, 26, 21, 29, 23, 25, 26, 25, 31, 23, 26, 33, 30, 28, 30, 28, 37, 27, 31, 37, 31, 25, 39]

cp's OEIS Frontend

A278057 Relative of Hofstadter Q-sequence: a(n) = n for 1 <= n <= 5; a(n) = a(n-a(n-1)) + a(n-a(n-2)) for n > 5.

Table of values

List of values

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

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

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