A056537 - cp's OEIS frontend

A056537 Mapping from the column-by-column reading to the half-antidiagonal reading of the triangular tables. Inverse of A056536.

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	5
8	8
9	12
10	16
11	7
12	11
13	15
14	20
15	25
16	10
17	14
18	19
19	24
20	30
21	36
22	13
23	18
24	23
25	29
26	35
27	42
28	49
29	17
30	22
31	28
32	34
33	41
34	48
35	56
36	64
37	21
38	27
39	33
40	40
41	47
42	55
43	63
44	72
45	81
46	26
47	32
48	39
49	46
50	54
51	62
52	71
53	80
54	90
55	100
56	31
57	38
58	45
59	53
60	61
61	70
62	79
63	89
64	99
65	110
66	121
67	37
68	44
69	52
70	60
71	69

[1, 2, 4, 3, 6, 9, 5, 8, 12, 16, 7, 11, 15, 20, 25, 10, 14, 19, 24, 30, 36, 13, 18, 23, 29, 35, 42, 49, 17, 22, 28, 34, 41, 48, 56, 64, 21, 27, 33, 40, 47, 55, 63, 72, 81, 26, 32, 39, 46, 54, 62, 71, 80, 90, 100, 31, 38, 45, 53, 61, 70, 79, 89, 99, 110, 121, 37, 44, 52, 60, 69]

cp's OEIS Frontend

A056537 Mapping from the column-by-column reading to the half-antidiagonal reading of the triangular tables. Inverse of A056536.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	5
8	8
9	12
10	16
11	7
12	11
13	15
14	20
15	25
16	10
17	14
18	19
19	24
20	30
21	36
22	13
23	18
24	23
25	29
26	35
27	42
28	49
29	17
30	22
31	28
32	34
33	41
34	48
35	56
36	64
37	21
38	27
39	33
40	40
41	47
42	55
43	63
44	72
45	81
46	26
47	32
48	39
49	46
50	54
51	62
52	71
53	80
54	90
55	100
56	31
57	38
58	45
59	53
60	61
61	70
62	79
63	89
64	99
65	110
66	121
67	37
68	44
69	52
70	60
71	69

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	5
8	8
9	12
10	16
11	7
12	11
13	15
14	20
15	25
16	10
17	14
18	19
19	24
20	30
21	36
22	13
23	18
24	23
25	29
26	35
27	42
28	49
29	17
30	22
31	28
32	34
33	41
34	48
35	56
36	64
37	21
38	27
39	33
40	40
41	47
42	55
43	63
44	72
45	81
46	26
47	32
48	39
49	46
50	54
51	62
52	71
53	80
54	90
55	100
56	31
57	38
58	45
59	53
60	61
61	70
62	79
63	89
64	99
65	110
66	121
67	37
68	44
69	52
70	60
71	69

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	5
8	8
9	12
10	16
11	7
12	11
13	15
14	20
15	25
16	10
17	14
18	19
19	24
20	30
21	36
22	13
23	18
24	23
25	29
26	35
27	42
28	49
29	17
30	22
31	28
32	34
33	41
34	48
35	56
36	64
37	21
38	27
39	33
40	40
41	47
42	55
43	63
44	72
45	81
46	26
47	32
48	39
49	46
50	54
51	62
52	71
53	80
54	90
55	100
56	31
57	38
58	45
59	53
60	61
61	70
62	79
63	89
64	99
65	110
66	121
67	37
68	44
69	52
70	60
71	69