A213922 - cp's OEIS frontend

A213922 Natural numbers placed in table T(n,k) layer by layer. The order of placement: T(n,n), T(n-1,n), T(n,n-1), ... T(1,n), T(n,1). Table T(n,k) read by antidiagonals.

n	a(n)
1	1
2	3
3	4
4	8
5	2
6	9
7	15
8	6
9	7
10	16
11	24
12	13
13	5
14	14
15	25
16	35
17	22
18	11
19	12
20	23
21	36
22	48
23	33
24	20
25	10
26	21
27	34
28	49
29	63
30	46
31	31
32	18
33	19
34	32
35	47
36	64
37	80
38	61
39	44
40	29
41	17
42	30
43	45
44	62
45	81
46	99
47	78
48	59
49	42
50	27
51	28
52	43
53	60
54	79
55	100
56	120
57	97
58	76
59	57
60	40
61	26
62	41
63	58
64	77
65	98
66	121

[1, 3, 4, 8, 2, 9, 15, 6, 7, 16, 24, 13, 5, 14, 25, 35, 22, 11, 12, 23, 36, 48, 33, 20, 10, 21, 34, 49, 63, 46, 31, 18, 19, 32, 47, 64, 80, 61, 44, 29, 17, 30, 45, 62, 81, 99, 78, 59, 42, 27, 28, 43, 60, 79, 100, 120, 97, 76, 57, 40, 26, 41, 58, 77, 98, 121]

cp's OEIS Frontend

A213922 Natural numbers placed in table T(n,k) layer by layer. The order of placement: T(n,n), T(n-1,n), T(n,n-1), ... T(1,n), T(n,1). Table T(n,k) read by antidiagonals.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	8
5	2
6	9
7	15
8	6
9	7
10	16
11	24
12	13
13	5
14	14
15	25
16	35
17	22
18	11
19	12
20	23
21	36
22	48
23	33
24	20
25	10
26	21
27	34
28	49
29	63
30	46
31	31
32	18
33	19
34	32
35	47
36	64
37	80
38	61
39	44
40	29
41	17
42	30
43	45
44	62
45	81
46	99
47	78
48	59
49	42
50	27
51	28
52	43
53	60
54	79
55	100
56	120
57	97
58	76
59	57
60	40
61	26
62	41
63	58
64	77
65	98
66	121

n	a(n)
1	1
2	3
3	4
4	8
5	2
6	9
7	15
8	6
9	7
10	16
11	24
12	13
13	5
14	14
15	25
16	35
17	22
18	11
19	12
20	23
21	36
22	48
23	33
24	20
25	10
26	21
27	34
28	49
29	63
30	46
31	31
32	18
33	19
34	32
35	47
36	64
37	80
38	61
39	44
40	29
41	17
42	30
43	45
44	62
45	81
46	99
47	78
48	59
49	42
50	27
51	28
52	43
53	60
54	79
55	100
56	120
57	97
58	76
59	57
60	40
61	26
62	41
63	58
64	77
65	98
66	121

n	a(n)
1	1
2	3
3	4
4	8
5	2
6	9
7	15
8	6
9	7
10	16
11	24
12	13
13	5
14	14
15	25
16	35
17	22
18	11
19	12
20	23
21	36
22	48
23	33
24	20
25	10
26	21
27	34
28	49
29	63
30	46
31	31
32	18
33	19
34	32
35	47
36	64
37	80
38	61
39	44
40	29
41	17
42	30
43	45
44	62
45	81
46	99
47	78
48	59
49	42
50	27
51	28
52	43
53	60
54	79
55	100
56	120
57	97
58	76
59	57
60	40
61	26
62	41
63	58
64	77
65	98
66	121