A125566 - cp's OEIS frontend

A125566 a(1)=1. Take the positive integers, then reverse the order of the integers a(m+1) through a(m+a(n)), where m = 1 + Sum_{k=1..n-1} a(k).

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	7
7	6
8	5
9	11
10	10
11	9
12	19
13	18
14	17
15	16
16	15
17	14
18	13
19	12
20	26
21	25
22	24
23	23
24	22
25	21
26	20
27	32
28	31
29	30
30	29
31	28
32	27
33	37
34	36
35	35
36	34
37	33
38	48
39	47
40	46
41	45
42	44
43	43
44	42
45	41
46	40
47	39
48	38
49	58
50	57
51	56
52	55
53	54
54	53
55	52
56	51
57	50
58	49
59	67
60	66
61	65
62	64
63	63
64	62
65	61
66	60
67	59
68	86
69	85
70	84
71	83
72	82

[1, 2, 4, 3, 8, 7, 6, 5, 11, 10, 9, 19, 18, 17, 16, 15, 14, 13, 12, 26, 25, 24, 23, 22, 21, 20, 32, 31, 30, 29, 28, 27, 37, 36, 35, 34, 33, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 67, 66, 65, 64, 63, 62, 61, 60, 59, 86, 85, 84, 83, 82]

cp's OEIS Frontend

A125566 a(1)=1. Take the positive integers, then reverse the order of the integers a(m+1) through a(m+a(n)), where m = 1 + Sum_{k=1..n-1} a(k).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	7
7	6
8	5
9	11
10	10
11	9
12	19
13	18
14	17
15	16
16	15
17	14
18	13
19	12
20	26
21	25
22	24
23	23
24	22
25	21
26	20
27	32
28	31
29	30
30	29
31	28
32	27
33	37
34	36
35	35
36	34
37	33
38	48
39	47
40	46
41	45
42	44
43	43
44	42
45	41
46	40
47	39
48	38
49	58
50	57
51	56
52	55
53	54
54	53
55	52
56	51
57	50
58	49
59	67
60	66
61	65
62	64
63	63
64	62
65	61
66	60
67	59
68	86
69	85
70	84
71	83
72	82

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	7
7	6
8	5
9	11
10	10
11	9
12	19
13	18
14	17
15	16
16	15
17	14
18	13
19	12
20	26
21	25
22	24
23	23
24	22
25	21
26	20
27	32
28	31
29	30
30	29
31	28
32	27
33	37
34	36
35	35
36	34
37	33
38	48
39	47
40	46
41	45
42	44
43	43
44	42
45	41
46	40
47	39
48	38
49	58
50	57
51	56
52	55
53	54
54	53
55	52
56	51
57	50
58	49
59	67
60	66
61	65
62	64
63	63
64	62
65	61
66	60
67	59
68	86
69	85
70	84
71	83
72	82

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	7
7	6
8	5
9	11
10	10
11	9
12	19
13	18
14	17
15	16
16	15
17	14
18	13
19	12
20	26
21	25
22	24
23	23
24	22
25	21
26	20
27	32
28	31
29	30
30	29
31	28
32	27
33	37
34	36
35	35
36	34
37	33
38	48
39	47
40	46
41	45
42	44
43	43
44	42
45	41
46	40
47	39
48	38
49	58
50	57
51	56
52	55
53	54
54	53
55	52
56	51
57	50
58	49
59	67
60	66
61	65
62	64
63	63
64	62
65	61
66	60
67	59
68	86
69	85
70	84
71	83
72	82