A219159 - cp's OEIS frontend

A219159 Natural numbers placed in table T(n,k) layer by layer. The order of placement - at the beginning 2 layers counterclockwise, next 2 layers clockwise and so on. T(n,k) read by antidiagonals.

n	a(n)
1	1
2	4
3	2
4	5
5	3
6	9
7	10
8	6
9	8
10	16
11	25
12	11
13	7
14	15
15	17
16	36
17	24
18	12
19	14
20	18
21	26
22	37
23	35
24	23
25	13
26	19
27	27
28	49
29	50
30	38
31	34
32	22
33	20
34	28
35	48
36	64
37	81
38	51
39	39
40	33
41	21
42	29
43	47
44	63
45	65
46	100
47	80
48	52
49	40
50	32
51	30
52	46
53	62
54	66
55	82
56	101
57	99
58	79
59	53
60	41
61	31
62	45
63	61
64	67
65	83
66	121

[1, 4, 2, 5, 3, 9, 10, 6, 8, 16, 25, 11, 7, 15, 17, 36, 24, 12, 14, 18, 26, 37, 35, 23, 13, 19, 27, 49, 50, 38, 34, 22, 20, 28, 48, 64, 81, 51, 39, 33, 21, 29, 47, 63, 65, 100, 80, 52, 40, 32, 30, 46, 62, 66, 82, 101, 99, 79, 53, 41, 31, 45, 61, 67, 83, 121]

cp's OEIS Frontend

A219159 Natural numbers placed in table T(n,k) layer by layer. The order of placement - at the beginning 2 layers counterclockwise, next 2 layers clockwise and so on. T(n,k) read by antidiagonals.

Table of values

List of values

n	a(n)
1	1
2	4
3	2
4	5
5	3
6	9
7	10
8	6
9	8
10	16
11	25
12	11
13	7
14	15
15	17
16	36
17	24
18	12
19	14
20	18
21	26
22	37
23	35
24	23
25	13
26	19
27	27
28	49
29	50
30	38
31	34
32	22
33	20
34	28
35	48
36	64
37	81
38	51
39	39
40	33
41	21
42	29
43	47
44	63
45	65
46	100
47	80
48	52
49	40
50	32
51	30
52	46
53	62
54	66
55	82
56	101
57	99
58	79
59	53
60	41
61	31
62	45
63	61
64	67
65	83
66	121

n	a(n)
1	1
2	4
3	2
4	5
5	3
6	9
7	10
8	6
9	8
10	16
11	25
12	11
13	7
14	15
15	17
16	36
17	24
18	12
19	14
20	18
21	26
22	37
23	35
24	23
25	13
26	19
27	27
28	49
29	50
30	38
31	34
32	22
33	20
34	28
35	48
36	64
37	81
38	51
39	39
40	33
41	21
42	29
43	47
44	63
45	65
46	100
47	80
48	52
49	40
50	32
51	30
52	46
53	62
54	66
55	82
56	101
57	99
58	79
59	53
60	41
61	31
62	45
63	61
64	67
65	83
66	121

n	a(n)
1	1
2	4
3	2
4	5
5	3
6	9
7	10
8	6
9	8
10	16
11	25
12	11
13	7
14	15
15	17
16	36
17	24
18	12
19	14
20	18
21	26
22	37
23	35
24	23
25	13
26	19
27	27
28	49
29	50
30	38
31	34
32	22
33	20
34	28
35	48
36	64
37	81
38	51
39	39
40	33
41	21
42	29
43	47
44	63
45	65
46	100
47	80
48	52
49	40
50	32
51	30
52	46
53	62
54	66
55	82
56	101
57	99
58	79
59	53
60	41
61	31
62	45
63	61
64	67
65	83
66	121