A277679 - cp's OEIS frontend

A277679 Start with 1,2,3,4,5,6,.... For n >=1, remove the first n terms and reverse the remaining terms n+1 at a time. Concatenate the terms removed. (See the example.)

n	a(n)
1	1
2	3
3	2
4	7
5	4
6	5
7	13
8	6
9	9
10	8
11	17
12	10
13	11
14	14
15	15
16	23
17	16
18	19
19	12
20	25
21	18
22	33
23	26
24	27
25	20
26	21
27	24
28	31
29	49
30	32
31	39
32	22
33	29
34	28
35	35
36	34
37	53
38	36
39	43
40	30
41	37
42	40
43	41
44	50
45	51
46	59
47	52
48	55
49	42
50	45
51	38
52	61
53	44
54	67
55	54
56	85
57	68
58	69
59	62
60	63
61	46
62	47
63	56
64	57
65	60
66	77
67	95

[1, 3, 2, 7, 4, 5, 13, 6, 9, 8, 17, 10, 11, 14, 15, 23, 16, 19, 12, 25, 18, 33, 26, 27, 20, 21, 24, 31, 49, 32, 39, 22, 29, 28, 35, 34, 53, 36, 43, 30, 37, 40, 41, 50, 51, 59, 52, 55, 42, 45, 38, 61, 44, 67, 54, 85, 68, 69, 62, 63, 46, 47, 56, 57, 60, 77, 95]

cp's OEIS Frontend

A277679 Start with 1,2,3,4,5,6,.... For n >=1, remove the first n terms and reverse the remaining terms n+1 at a time. Concatenate the terms removed. (See the example.)

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	7
5	4
6	5
7	13
8	6
9	9
10	8
11	17
12	10
13	11
14	14
15	15
16	23
17	16
18	19
19	12
20	25
21	18
22	33
23	26
24	27
25	20
26	21
27	24
28	31
29	49
30	32
31	39
32	22
33	29
34	28
35	35
36	34
37	53
38	36
39	43
40	30
41	37
42	40
43	41
44	50
45	51
46	59
47	52
48	55
49	42
50	45
51	38
52	61
53	44
54	67
55	54
56	85
57	68
58	69
59	62
60	63
61	46
62	47
63	56
64	57
65	60
66	77
67	95

n	a(n)
1	1
2	3
3	2
4	7
5	4
6	5
7	13
8	6
9	9
10	8
11	17
12	10
13	11
14	14
15	15
16	23
17	16
18	19
19	12
20	25
21	18
22	33
23	26
24	27
25	20
26	21
27	24
28	31
29	49
30	32
31	39
32	22
33	29
34	28
35	35
36	34
37	53
38	36
39	43
40	30
41	37
42	40
43	41
44	50
45	51
46	59
47	52
48	55
49	42
50	45
51	38
52	61
53	44
54	67
55	54
56	85
57	68
58	69
59	62
60	63
61	46
62	47
63	56
64	57
65	60
66	77
67	95

n	a(n)
1	1
2	3
3	2
4	7
5	4
6	5
7	13
8	6
9	9
10	8
11	17
12	10
13	11
14	14
15	15
16	23
17	16
18	19
19	12
20	25
21	18
22	33
23	26
24	27
25	20
26	21
27	24
28	31
29	49
30	32
31	39
32	22
33	29
34	28
35	35
36	34
37	53
38	36
39	43
40	30
41	37
42	40
43	41
44	50
45	51
46	59
47	52
48	55
49	42
50	45
51	38
52	61
53	44
54	67
55	54
56	85
57	68
58	69
59	62
60	63
61	46
62	47
63	56
64	57
65	60
66	77
67	95