A323674 - cp's OEIS frontend

A323674 Square array, read by antidiagonals, of the positive integers 6cd +-c +-d = (6c +- 1)d +- c. Alternate rows (or columns) are numbers that differ by c from multiples of 6c - 1 or 6c + 1.

n	a(n)
1	4
2	6
3	6
4	9
5	8
6	9
7	11
8	13
9	13
10	11
11	14
12	15
13	20
14	15
15	14
16	16
17	20
18	24
19	24
20	20
21	16
22	19
23	22
24	31
25	28
26	31
27	22
28	19
29	21
30	27
31	35
32	37
33	37
34	35
35	27
36	21
37	24
38	29
39	42
40	41
41	48
42	41
43	42
44	29
45	24
46	26
47	34
48	46
49	50
50	54
51	54
52	50
53	46
54	34
55	26
56	29
57	36
58	53
59	54
60	65
61	60
62	65
63	54
64	53
65	36
66	29
67	31
68	41
69	57
70	63
71	71
72	73
73	73
74	71
75	63
76	57
77	41
78	31

[4, 6, 6, 9, 8, 9, 11, 13, 13, 11, 14, 15, 20, 15, 14, 16, 20, 24, 24, 20, 16, 19, 22, 31, 28, 31, 22, 19, 21, 27, 35, 37, 37, 35, 27, 21, 24, 29, 42, 41, 48, 41, 42, 29, 24, 26, 34, 46, 50, 54, 54, 50, 46, 34, 26, 29, 36, 53, 54, 65, 60, 65, 54, 53, 36, 29, 31, 41, 57, 63, 71, 73, 73, 71, 63, 57, 41, 31]

cp's OEIS Frontend

A323674 Square array, read by antidiagonals, of the positive integers 6cd +-c +-d = (6c +- 1)d +- c. Alternate rows (or columns) are numbers that differ by c from multiples of 6c - 1 or 6c + 1.

Table of values

List of values

n	a(n)
1	4
2	6
3	6
4	9
5	8
6	9
7	11
8	13
9	13
10	11
11	14
12	15
13	20
14	15
15	14
16	16
17	20
18	24
19	24
20	20
21	16
22	19
23	22
24	31
25	28
26	31
27	22
28	19
29	21
30	27
31	35
32	37
33	37
34	35
35	27
36	21
37	24
38	29
39	42
40	41
41	48
42	41
43	42
44	29
45	24
46	26
47	34
48	46
49	50
50	54
51	54
52	50
53	46
54	34
55	26
56	29
57	36
58	53
59	54
60	65
61	60
62	65
63	54
64	53
65	36
66	29
67	31
68	41
69	57
70	63
71	71
72	73
73	73
74	71
75	63
76	57
77	41
78	31

n	a(n)
1	4
2	6
3	6
4	9
5	8
6	9
7	11
8	13
9	13
10	11
11	14
12	15
13	20
14	15
15	14
16	16
17	20
18	24
19	24
20	20
21	16
22	19
23	22
24	31
25	28
26	31
27	22
28	19
29	21
30	27
31	35
32	37
33	37
34	35
35	27
36	21
37	24
38	29
39	42
40	41
41	48
42	41
43	42
44	29
45	24
46	26
47	34
48	46
49	50
50	54
51	54
52	50
53	46
54	34
55	26
56	29
57	36
58	53
59	54
60	65
61	60
62	65
63	54
64	53
65	36
66	29
67	31
68	41
69	57
70	63
71	71
72	73
73	73
74	71
75	63
76	57
77	41
78	31

n	a(n)
1	4
2	6
3	6
4	9
5	8
6	9
7	11
8	13
9	13
10	11
11	14
12	15
13	20
14	15
15	14
16	16
17	20
18	24
19	24
20	20
21	16
22	19
23	22
24	31
25	28
26	31
27	22
28	19
29	21
30	27
31	35
32	37
33	37
34	35
35	27
36	21
37	24
38	29
39	42
40	41
41	48
42	41
43	42
44	29
45	24
46	26
47	34
48	46
49	50
50	54
51	54
52	50
53	46
54	34
55	26
56	29
57	36
58	53
59	54
60	65
61	60
62	65
63	54
64	53
65	36
66	29
67	31
68	41
69	57
70	63
71	71
72	73
73	73
74	71
75	63
76	57
77	41
78	31