A214870 - cp's OEIS frontend

A214870 Natural numbers placed in table T(n,k) layer by layer. The order of placement: at the beginning filled odd places of layer clockwise, next - even places counterclockwise. T(n,k) read by antidiagonals.

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	10
8	9
9	8
10	13
11	17
12	16
13	6
14	14
15	21
16	26
17	25
18	11
19	12
20	22
21	31
22	37
23	36
24	18
25	15
26	20
27	32
28	43
29	50
30	49
31	27
32	24
33	23
34	30
35	44
36	57
37	65
38	64
39	38
40	35
41	19
42	33
43	42
44	58
45	73
46	82
47	81
48	51
49	48
50	28
51	29
52	45
53	56
54	74
55	91
56	101
57	100
58	66
59	63
60	39
61	34
62	41
63	59
64	72
65	92
66	111

[1, 2, 3, 5, 4, 7, 10, 9, 8, 13, 17, 16, 6, 14, 21, 26, 25, 11, 12, 22, 31, 37, 36, 18, 15, 20, 32, 43, 50, 49, 27, 24, 23, 30, 44, 57, 65, 64, 38, 35, 19, 33, 42, 58, 73, 82, 81, 51, 48, 28, 29, 45, 56, 74, 91, 101, 100, 66, 63, 39, 34, 41, 59, 72, 92, 111]

cp's OEIS Frontend

A214870 Natural numbers placed in table T(n,k) layer by layer. The order of placement: at the beginning filled odd places of layer clockwise, next - even places counterclockwise. T(n,k) read by antidiagonals.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	10
8	9
9	8
10	13
11	17
12	16
13	6
14	14
15	21
16	26
17	25
18	11
19	12
20	22
21	31
22	37
23	36
24	18
25	15
26	20
27	32
28	43
29	50
30	49
31	27
32	24
33	23
34	30
35	44
36	57
37	65
38	64
39	38
40	35
41	19
42	33
43	42
44	58
45	73
46	82
47	81
48	51
49	48
50	28
51	29
52	45
53	56
54	74
55	91
56	101
57	100
58	66
59	63
60	39
61	34
62	41
63	59
64	72
65	92
66	111

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	10
8	9
9	8
10	13
11	17
12	16
13	6
14	14
15	21
16	26
17	25
18	11
19	12
20	22
21	31
22	37
23	36
24	18
25	15
26	20
27	32
28	43
29	50
30	49
31	27
32	24
33	23
34	30
35	44
36	57
37	65
38	64
39	38
40	35
41	19
42	33
43	42
44	58
45	73
46	82
47	81
48	51
49	48
50	28
51	29
52	45
53	56
54	74
55	91
56	101
57	100
58	66
59	63
60	39
61	34
62	41
63	59
64	72
65	92
66	111

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	10
8	9
9	8
10	13
11	17
12	16
13	6
14	14
15	21
16	26
17	25
18	11
19	12
20	22
21	31
22	37
23	36
24	18
25	15
26	20
27	32
28	43
29	50
30	49
31	27
32	24
33	23
34	30
35	44
36	57
37	65
38	64
39	38
40	35
41	19
42	33
43	42
44	58
45	73
46	82
47	81
48	51
49	48
50	28
51	29
52	45
53	56
54	74
55	91
56	101
57	100
58	66
59	63
60	39
61	34
62	41
63	59
64	72
65	92
66	111